How to Avoid -

[sushil]

originally posted by wenwilder
Configure your email server to block or remove email that contains
file attachments that are commonly used to spread viruses.
This is the list of attachment suffixes that are considered by
Microsoft to be potentially malicious (are blocked by Outlook XP):
.ade, .adp, .asx, .bas, .bat, .chm, .cmd, .com, .cpl, .crt, .exe,
.hlp, .hta, .inf, .ins, .isp, .js, .jse, .lnk, .mdb, .mde, .msc,
.msi, .msp, .mst, .pcd, .pif, .prf, .reg, .scf, .scr, .sct, .shb,
.shs, .url, .vb, .vbe, .vbs, .wsc, .wsf, .wsh

your post is great. but I am not able to understand this statement can you explain it.
thanks for that.

[weegillis]

A good place to start would be to identify the extensions and their associated application(s):
FILExt.

By default, most modern mail clients come with built in attachment filtering turned on, but this is not a fail safe, just a first line of defense. A good, properly configured firewall is a must in today's high tech world, as is a reliable anti virus. Both will scan incoming mail for indicators, such as file extensions, common patterns and other heuristics.

[mikmik]

my PC also has been infected and i am working to find a way
for the solution!

atleast i ve got something useful info here..

I always get to safe mode (with networking to use online scans) if commputer is bogging down:

Running Virus Scan in Safe Mode
Running Virus Scan in Safe Mode
Thursday, March 13th, 2008


Virus Scanning in Safe Mode
If you have a virus you can not delete or if your system will not boot up correctly and you suspect a virus is the problem, a recommended solution is to start your computer in safe mode and run a virus scan. By running your computer in safe mode, non-essential processes do not start and non-core components are disabled. In other words, only the minimum necessary programs will load. Tough to remove viruses, spyware and other malware usually have no chance to run and disrupt your system and can more easily be removed.
**To run a virus scan in safe mode, you must have active anti virus software installed on your computer.
To run a virus scan in safe mode, follow these steps:

1. If your computer is on, shut it down
2. Power on your computer
3. Immediately after you power on your computer, repeatedly press the [F8] key (about once per second)
4. In the Windows Advanced Options Menu screen, use the arrows to select Safe Mode and presss [Enter]
5. Select your current operating system and press [Enter]
6. Select the user you would like to login under (if applicable)
7. When your system finishes booting, click the Start button on your task bar
8. Move your cursor over All Programs and navigate to your anti virus program
9. Click on your antiv virus program to run it and follow the anti virus program’s normal steps to run a virus scan
10. After the virus scan is complete, Delete all detected viruses
11. Close out of your anti virus software
12. Restart your computer (it should start in normal mode)

The easiest way to clean your computer is to restore it to a time before it got infected - but only if you when it started acting up.
Hmm, maybe not the best to use restore, but here is an interest thread:
Using System Restore to get rid of Virus
Using System Restore to get rid of Virus [Archive] - Explosm Forums

[mikmik]

originally posted by wenwilder
Configure your email server to block or remove email that contains
file attachments that are commonly used to spread viruses.
This is the list of attachment suffixes that are considered by
Microsoft to be potentially malicious (are blocked by Outlook XP):
.ade, .adp, .asx, .bas, .bat, .chm, .cmd, .com, .cpl, .crt, .exe,
.hlp, .hta, .inf, .ins, .isp, .js, .jse, .lnk, .mdb, .mde, .msc,
.msi, .msp, .mst, .pcd, .pif, .prf, .reg, .scf, .scr, .sct, .shb,
.shs, .url, .vb, .vbe, .vbs, .wsc, .wsf, .wsh

your post is great. but I am not able to understand this statement can you explain it.
thanks for that.

I feel priveledged to help wenwilder, but we go way back.

All these 'file extensions' are basically classifiers that tell windows what program to open the file with. For instance, files with a '.doc' extension with call the Word program which will then open that document. '.Txt' will call notepad, and '.mp3' will call Windows media player(or perhaps Apple quicktime/iTunes if you have that installed).

The above file extensions are called 'executables' and will call, for example, windows installer, windows scripting host(have you heard of script kiddies?), and many programs native to windows that run commands.

Here is an explanation for '.msi' at a particularily good site: fileinfo.net - MSI File Extension - Open .MSI files

Here is an explanation on why to show file extensions and how to do it:

Displaying File Name Extension in Windows

Windows is set by default to not show extensions on filenames. This is done presumably to make lists of files less cluttered to read -- a definite plus.

Although it is very important to know what kind of file a file is, most of us are familiar with the icons of many files and don't think we really need to see the extensions to know that a Word file's icon has a big blue "W" in it and an HTML file's icon has a big blue "e" in it.

However, many of us are not familiar with the blue scroll of a .vbs file or the yellow scroll of a .js file. This is important, because the current round of virus/worm attacks on Windows machines by script attachments use filenames like

loveletter.txt.vbs

Most mail clients will filter these and give a warning, but wenwilder meant that to protect yourself from (most likely) harmful attatchments, it is best to just filter these(do be deleted) to begin with.
It is those hidden file extensions, like 'somepicture.jpg.vbs' where it looks like it is a picture - .jpg - but you don't see the .vbs extension that makes it very, very important to enable file extensions view, as explained in the link above. It is always almost the first thing I enable on my computers and also clients, with an explanation.

Hope this helps. I am not always very clear, so please, do ask questions!

>edit< Sheet, now I see weegillis! Don't tell him I said that he has more common sense than most, haha buddy!