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Microsoft Security Intelligence
Published Jan 30, 2009 | Updated Sep 15, 2017


Detected by Microsoft Defender Antivirus

Aliases: Rootkit.Win32.Agent.ea (Kaspersky) Generic.dx (McAfee) Troj/RKAgen-Fam (Sophos) Trojan.Srizbi (Symantec)


Windows Defender Antivirus detects and removes this threat.
Srizbi is a trojan that can be remotely controlled to send spam. It also contains rootkit functionality to hide itself.

Use the following free Microsoft software to detect and remove this threat:

You should also run a full scan. A full scan might find hidden malware.

Get more help

You can also visit our advanced troubleshooting page or search the Microsoft virus and malware community for more help.

If you’re using Windows XP, see our Windows XP end of support page.

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