Summary
The Agobot.q variant was reported by several customers in the middle of October 2003. This backdoor is a minor variant of Agobot.p, so it has very similar features. The description of Agobot.p can be found here:
https://www.europe.f-secure.com/v-descs/agobot_p.shtml
The generic description of Agobot can be found here:
Removal
The most important step of disinfection is the installation of security patches for the vulnerabilities exploited by Agobot.
Detailed information and patches are available from the following pages:
RPC/DCOM (MS03-026, fixed by MS03-039):
https://www.microsoft.com/technet/security/bulletin/MS03-039.asp
RPC/Locator (MS03-001):
https://www.microsoft.com/technet/security/bulletin/MS03-001.asp
WebDAV (MS03-007):
https://www.microsoft.com/technet/security/bulletin/MS03-007.asp
The neccessary patches can be downloaded from the pages above under the "Patch availability" section.
F-Secure Anti-Virus with the latest updates can detect and delete the Agobot infected files.
A False Positive is when a file is incorrectly detected as harmful, usually because its code or behavior resembles known harmful programs. A False Positive will usually be fixed in a subsequent database update without any action needed on your part. If you wish, you may also:
Check for the latest database updates
First, check if your F-Secure security program is using the latest updates, then try scanning the file again.
Submit a sample
After checking, if you still believe the file is incorrectly detected, you can submit a sample of it for re-analysis.
Note: If the file was moved to quarantine, you need to collect the file from quarantine before you can submit it.
Exclude a file from further scanning
If you are certain that the file is safe and want to continue using it, you can exclude it from further scanning by the F-Secure security product.
Note: You need administrative rights to change the settings.
Technical Details
There are some differences between P and Q variants of the backdoor:
The Agobot.q variant copies itself as IEXPLORER.EXE and WINHLPP32.EXE files to an infected system.
Agobot.q has a bit different list of other malware processes that it tries to terminate:
tftpd.exe dllhost.exe winppr32.exe mspatch.exe penis32.exe msblast.exe scvhosl.exe
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