Showing posts with label Security. Show all posts
Showing posts with label Security. Show all posts

Saturday, June 4, 2011

How to remove Win32.Injector.CCQ from your computer?

Win32.Injector.CCQ should be removed in safe mode with networking so as to ensure a much thorough removal – reboot the computer, continuously pressing F8 and choose “safe mode with networking” from the menu. However, to ensure a safer and quicker removal process, I recommend PC Safe Doctor as Win32.Injector.CCQ always hides itself in the deepest part of the computer or disguise some of its files as legitimate system files. If all of its related entries are not removed completely, serious problems like frequent program lock-ups, system crashes will come on the neck of another.

Recommended solution to remove Win32.Injector.CCQ :-
1) Download PC Safe Doctor on your computer.
2)Run PC Safe Doctor after finishing the installation.
3)Click “Start Online Scan” to thoroughly scan your computer.
4)If Win32.Injector.CCQ is detected after the scan, simply click “Remove” to delete this malicious item.

However, if you are sure that you have a full understanding on how the harmful Win32.Injector.CCQ works, you can try removing it manually.



How to tell if the computer is infected by malware such as Win32.Injector.CCQ?
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Monday, May 9, 2011

What's the suitable protection level for internet-connected desktop?

I would include an antivirus (which nowadays usually includes an anti-spyware and sometimes an intrusion prevention component), an additional anti-spyware, a software firewall, and a well patched OS.
As far my knowledge first of all Hardening the OS, then properly configure the system (background services and so on) and now search for good Internet Service Provider. Of-course when the matter of Internet there are obviously the question about “Good Anti-Virus and tight Firewall Security”…. Though it is necessary to aware about the below mentioned points also:

1. Restrict internet access.
2. Password protect internet access.
3. Block internet web sites. (any unnecessary sites, or the site which make harmful)
4. Allow one or more web sites while blocking all others.
5. Prevent any user accounts from accessing internet.
6. Schedule internet access for any or all programs.
7. Any internet program can be protected, i.e IE, Firefox, Google Chrome, Outlook, FTP programs, Messengers etc.

Remember that, it is necessary to update regular virus patch and other related software also. And needless to say that, always update myself for security related threats, new virus, and new method of hacking etc….


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Friday, May 6, 2011

Malware

Malware, short for malicious software, is programming (code, scripts, active content, and other software) designed to disrupt or deny operation, gather information that leads to loss of privacy or exploitation, gain unauthorized access to system resources, and other abusive behavior.

How Malwares Attack
Malware is a category of malicious code that includes viruses, worms, and Trojan horses. Destructive malware will utilize popular communication tools to spread, including worms sent through email and instant messages, Trojan horses dropped from web sites, and virus-infected files downloaded from peer-to-peer connections. Malware will also seek to exploit existing vulnerabilities on systems making their entry quiet and easy.

How Do You Know that there is a Malware
Malware works to remain unnoticed, either by actively hiding or by simply not making its presence on a system known to the user

What To Do when your computer or file has Malware
Only open email or IM attachments that come from a trusted source and that are expected
Have email attachments scanned by Antivirus prior to opening
Delete all unwanted messages without opening
Do not click on Web links sent by someone you do not know
If a person on your friend list is sending strange messages, files, or web site links, terminate your IM session
Scan all files with an Internet Security solution before transferring them to your system
Only transfer files from a well known source
Use Internet Security software to block all unsolicited outbound communication
Keep security patches up to date

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Thursday, May 5, 2011

How Computer Viruses Work

Computer Viruses...what are they and how do they work?
A computer virus can cause a lot of damage.
Strange as it may sound, the computer virus is something of an Information Age marvel. On one hand, viruses show us how vulnerable we are -- a properly engineered virus can have a devastating effect, disrupting productivity and doing billions of dollars in damages. On the other hand, they show us how sophisticated and interconnected human beings have become.
TROJAN & SPYWARES
For example, experts estimate that the Mydoom worm infected approximately a quarter-million computers in a single day in January 2004. Back in March 1999, the Melissa virus was so powerful that it forced Microsoft and a number of other very large companies to completely turn off their e-mail systems until the virus could be contained. The ILOVEYOU virus in 2000 had a similarly devastating effect. In January 2007, a worm called Storm appeared -- by October, experts believed up to 50 million computers were infected. That's pretty impressive when you consider that

How Computer Viruses Work
VIRUS : What is computer virus? Which is the best free antivirus available ?

When you listen to the news, you hear about many different forms of electronic infection. The most common are:

* Viruses - A virus is a small piece of software that piggybacks on real programs. For example, a virus might attach itself to a program such as a spreadsheet program. Each time the spreadsheet program runs, the virus runs, too, and it has the chance to reproduce (by attaching to other programs) or wreak havoc.
* E-mail viruses - An e-mail virus travels as an attachment to e-mail messages, and usually replicates itself by automatically mailing itself to dozens of people in the victim's e-mail address book. Some e-mail viruses don't even require a double-click -- they launch when you view the infected message in the preview pane of your e-mail software [source: Johnson].
* Trojan horses - A Trojan horse is simply a computer program. The program claims to do one thing (it may claim to be a game) but instead does damage when you run it (it may erase your hard disk). Trojan horses have no way to replicate automatically.
* Worms - A worm is a small piece of software that uses computer networks and security holes to replicate itself. A copy of the worm scans the network for another machine that has a specific security hole. It copies itself to the new machine using the security hole, and then starts replicating from there, as well.


Almost every computer user in the world has heard of computer viruses. Many even have had the misfortune of experiencing a virus attack at some point in their usage.

Virus attacks are becoming more prevalent than ever before. Yearly thousands of people suffer often-irrecoverable damage to their systems and data. Yet many do not even know what hit them let alone what they can do to avoid a recurrence. It’s time to fight back.

When it comes to virus attacks, ignorance is certainly not bliss. Indeed the best possible weapon against preventing a virus attack is knowledge. We need to know how virus enters into our computer system, how they infect our system and how they eventually spread and cause more damage.

Before elaborating on the modus operandi of the virus, it’s better that we learn a little bit more about it. For starters, exactly what is a virus? A computer virus is most often defined as “a malicious code of computer programming”. What this means is that a computer virus is just another software – only written with not so very noble intentions. A computer virus is designed to install, propagate and cause damage to computer files and data without the knowledge and/or express permission of the user. A computer virus can only survive, attack and propagate in computer memory. Computer memory is usually the RAM (and all different variations of it) and disk storage (hard, floppy and everything in between). Besides this you will not find computer viruses in your monitor, keyboard and certainly not in your own blood stream!

How Computer Viruses Work
HOW TO DETECT TROJAN ATTACK AND SOLUTION ?
The first step in any virus attack is always the invasion. This is when the virus actually enters the computer system from an outside source. Much of the effort in preventing a virus attack lies in understanding what these virus entry points are and how best to monitor and block out any possible intrusion. All viruses enter the computer system through two main entry points: the disk drives and the network adapter cards. The disk drives may be any sort of disk drive (hard, floppy, CD, Zip, Jazz and what have you). This makes any disks or CDs that you insert into these drives a possible source of virus infection. The network adapter card is most likely your computer network and/or modem card connected to the local Intranet and/or the Internet. Virus enters through the network card most likely disguised in the form of attachments in e-mails. These attachments are often program files and office documents containing macros. Besides this, certain webpages that we visit on the Internet may also contain harmful programming codes that might transfer virus or virus-like codes into our system. To guard our systems against virus intrusion from these sources, many good anti-virus programs allows users to completely scan all files read form disk drives or downloaded from the Intranet/Internet.

How Computer Viruses Work

How do virus infections occur? The act of infection often begins with a harmless looking action such as opening a file (like a video game or a Word document) that one often gets in e-mail attachments or while accessing any disk in a disk drive. These actions inadvertently activate the virus lurking in these files and disks. The virus then installs itself into the computer’s memory.

This is where things get nasty. After entering the computer memory, a virus often immediately sets out to multiply and spread duplicate copies of itself across the main data storage device (most often the hard disk drive). It does this by copying itself into as many files it can find on the disk drive. Later when users transfers or copies these files to their friends and colleagues, the virus gain entry into ever increasing number of systems. If the virus has found its way to this level of the user’s computer, the user runs a high risk of permanent damage to data and hardware. But such a level of infection only happens to two types of users. The first are those who do not employ any kind of anti-virus measures (or if they do, it obviously isn’t doing a good job). The second are those who do have good anti-virus programs installed and running but did not bother updating their software with the latest virus data files. As a result newer viruses can actually use the anti-virus programs to infect an even greater number of files. So we can see here that having good anti-virus software isn’t enough. One must constantly keep it updated (preferably on a monthly basis).
How do i know my computer is infected with virus

How Computer Viruses Work
If a virus were to just spread itself, users might not have much to worry about. But the worst is yet to come. Many viruses contain what is called a payload. This is the destructive sequence that is activated on a certain trigger. The trigger may be the arrival of a particular date or an action done by the user. The effect of the payload can be anything as benign as some harmless message appearing on screen to as frightening as the destruction of the disk drive’s boot record – making it completely unusable and in most cases completely irreparable. Indeed it is the later that causes permanent lost of data and hardware and which is responsible for the virus’ notorious reputation. If a virus is capable of unleashing its payload on the user’s system, this indicates a serious breach of security on part of the user. It’s time for the user to learn from the experience and never let computer virus have a second chance.
What is qsearch.exe?
What has been attempted here is to give the reader a quick run down of how a virus attacks our systems. It is not meant to be exhaustive as the subject matter is very broad. In short the best cure for a virus attack is a good prevention plan coupled with knowledge, caution and good anti-virus software!
How can I submit a new virus to avast ?
How Computer Viruses Work
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Monday, May 2, 2011

TROJ_FAKEAV.BSM

TROJ_FAKEAV.BSM
This Trojan has increased potential for damage, propagation, or both, that it possesses. Specifically, it is related to an attack that involves blackhat SEO poisoning of Google Image search results.

This Trojan poses as a legitimate antivirus software using various commercial names. Similar to other FAKEAV variants, TROJ_FAKEAV.BSM also displays several graphical users interfaces (GUIs) to users in an attempt to convince them of system infection and to purchase this purported cleaning software.

It gathers sensitive information from the user they choose to purchase the product. The information gathered includes credit card and contact details.

This Trojan may be downloaded by other malware/grayware/spyware from remote sites.

It deletes itself after execution.

It employs registry shell spawning by adding certain registry entries. This allows this malware to execute even when other applications are opened.

It displays fake alerts that warn users of infection. It also displays fake scanning results of the affected system. It then asks for users to purchase it once scanning is completed. If users decide to purchase the rogue product, users are directed to a certain website asking for sensitive information, such as credit card numbers.

What is qsearch.exe?
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How can I submit a new virus to avast ?

How can I submit a new virus to avast ?
If you've sent the virus to the ’Virus Chest’ , open the ’Virus Chest’, right-click on the entry for the virus, and select 'Email to AVAST Software'. Alternatively, you can send it in a password-protected zip file to virus@avast.com making sure the password is included in the body of the email.



How can I submit a new virus to avast ?

HOW TO DETECT TROJAN ATTACK

VIRUS : What is computer virus? Which is the best free antivirus available ?
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What is qsearch.exe?

It's not really known what exactly qsearch.exe is, but there are some indications that it may be some sort of malware.

Although its not a definitive answer. There are some indications that it may be malware of some sort, so I'd certainly stay up to date on virus and spyware scanning.

Corrupted File Repair is the premier resource for the recovery of corrupted or damaged data files, system files or application files. Data Recovery is the process of recovering lost, missing, or inaccessible data. File Repair is the process of repairing corrupted system, data or application files to make them usable again.

To send your corrupted file for repair or to request a lost of missing EXE, DLL, ZIP or RAR file, please fill in an online recovery request. There will be a charge for technical support to replace a corrupted or damaged system or data file. Further, you will need to have a license of the software application to request a replacement file. The file replacement service is for licensed owners only as per applicable laws.
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Monday, January 12, 2009

HOW TO DETECT TROJAN ATTACK AND SOLUTION ?

So now from previous posts its clear what trojans and spyware are. A trojan attack makes your computer funny as well as annoying.

Funny because your computer really acts funny like CD-ROM opens and closes itself, computer screen flips itself,sound volume changes by itself, etc.

Annoying because you realize you have lost control on your computer. your attempts to rectify the problem fail. Situation becomes so drastic that you feel like throwing it away.

Wait why throw away such a costly thing if you have solution which is free. Download SpyBot software along with good Firewall. Update these sofwares and scan your computer.

Here you have it your computer will from now be truly yours just like a well-oiled car or bike.

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HOW TO DETECT TROJAN ATTACK AND SOLUTION ?

Saturday, December 27, 2008

TROJAN & SPYWARES

Now lets move on to another threat which not only harms your computer but has the potential to ruin your life. Confused!!!!!!!!!!

YES, I am talking about spywares. Spywares are malicious programs which instead of corrupting ( or infecting) your data, it steals it. REMEMBER this data can be anything ,not only your files but your passwords,credit card numbers or other banking details. And then after taking all your private data it sends it to unknown programmer, who can easily misuse the data. Now you get it what I meant by ruining your life thing.

Now lets get to know about Trojans. These malicious codes get there name from Legendary Trojan Horse which Greeks used in Troy. In similar fashion these programs come along unsuspecting files and destroy you and your computer in a same way as Greeks did to Troy (for further info of this legend go get the DVD of Troy movie, starring Brad Pitt). A trojan infection gives total remote access to your computer to third party.

I would say these are most dangerous programs as virus only deletes your data but these programs give away your data to third party. So take special care while dealing
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Tuesday, December 23, 2008

My computer is infected with virus. HELP ?

Well its good at least you know that your computer is infected this is half battle won. Now try out these :-

# Install a good antivirus.
I would recommend go for AVAST ANTI-VIRUS. Its free and offers boot-time scan facility.

# UPDATE your anti-virus.
If you already have an anti-virus go immediately. Every minute a new virus is added by ' You Know Who' so to fight the menace be ready,informed and UPDATED.

# Scan your PC again. DELETE or Quarantine infected files depending on your descretion.

# IF nothing helps I am sorry to tell you its time to take a back-up and go for FORMATTING to avert further damage.

Although I must admit last step is THE WORST thing to go for but you don't have a choice. GOD BLESS YOU AND MAY YOUR PERSONNAL SETTINGS ( which are deleted because of formatiing) REST IN PEACE .
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Monday, December 22, 2008

How to save your PC from threat of viruses ?

* DOWNLOAD FREE ANTIVIRUS NOW.
It is if you don't want to shell out anything from your pocket.
There millions of antivirus programs and from my personal experience only few of them are compatible to remove most dangerous of viruses.

* Never open email attachments that you are uncertain of.

* If you do not use Visual Basic scripting, you should turn this off.

* Take care while using external drives (eg pen drive), which has earlier been use in unprotected computer ( cyber cafe).

* Be wary of pirated softwares and CDs.

* Take special care while dealing with .exe files.

* Some viruses are triggered by certain event, that event may be certain time or when external drive is inserted. so be cautious.
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Saturday, December 20, 2008

How do i know my computer is infected with virus

Generally when computer starts taking longer than usual to load some application you get a feeling that computer is infected by some unwanted code. But it is not at all necessary that these problems are due to virus as these may be some software or hardware problem so check them.

So now how to ascertain problem is due to virus. Few signs that may help are:-

* When you click on any of the local drives they show Open With window.
* You observe certain file changing its size in seconds from small to big and back.
* Unusual error messages.
* Operating system slows down.
* Disk space 'vanishes'.
* large number of unknown .exe files in principle drive (usually in C:).
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Friday, December 19, 2008

VIRUS : What is computer virus? Which is the best free antivirus available ?

What is computer virus?

I know you would say whats the need to know "What is virus ?" well i would say without knowing what the virus is how would you be inclined to download and update an antivirus.

A virus is program, which reproduces its own code by attacking other programs in such a way that the virus code is executed. note that this is done without permission or knowledge of the user. A virus can destroy software,modify programs,delete files etc. While doing all its malicious actions virus keeps on spreading itself.

This results in your loosing control over your own computer.
From this information it is clear that virus is like a parasite which affects our body( in this case computer) and then feeds on the host. the way biological virus destroys our cells and reproduces, computer virus destroys computer's files and data. Be cautious these file and data can be anything may be your photos or office spreadsheets.
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