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Description:
This memory-resident malware has both worm and backdoor capabilities.
It drops itself as MSRV32.EXE in the Windows system folder and attempts to log on to systems using a list of user names and passwords.
It opens a varied port and connects to an Internet Relay Chat (IRC) server. It then joins an IRC channel to receive malicious commands to be processed on a system. It also terminates antivirus-related programs and steals CD keys of certain game applications.
This worm can also automatically notify the bot of systems affected by certain Microsoft Windows vulnerabilities. More information on the said vulnerabilities is available from the following Microsoft pages:
It modifies the HOSTS file so that any access to certain antivirus and security Web sites is redirected to the local address 127.0.0.1.
This malware runs on Windows NT, 2000, and XP.
For additional information about this threat, see:
Solution
Technical Details
Description created: Apr. 30, 2004 3:05:09 PM GMT -0800
Description updated: Apr. 30, 2004 3:04:59 PM GMT -0800
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