Riskware:W32/mIRC
Summary
Useful, legitimate software which could possibly be misused for malicious purposes.
Removal
Based on the settings of your F-Secure security product, it may block the file from running, move it to the quarantine where it cannot spread or cause harm, or ask you to select an action.
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:
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Technical Details
Riskware:W32/mIRC is an Internet Relay Chat (IRC) client that can be silently subverted by malware to become a backdoor. By itself, the program is not malicious.
Activity
Malware such asBackdoor:W32/Zapchast and its variants can use malicious configuration files to turn the mIRC-client into a backdoor. The malicious configuration files are detected as Backdoor.IRC.Zapchast.
In addition to subverting the mIRC client, these files will also contain the name of an IRC channel which the mIRC-client will automatically try to join on each startup.
Sometimes, Zapchast variants will use additional batch files which provide added functionality, such as performing registry changes to create a launchpoint for the backdoor. These auxiliary batch files are detected as Trojan.BAT.Zapchast.
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