Published Aug 06, 2012 | Updated Sep 15, 2017


Severe |Detected with Windows Defender Antivirus

Aliases: Alureon.A (Command) BOO/TDss.O (Avira) Rootkit.MBR.Sst (Ikarus) Rootkit.MBR.Sst.C (BitDefender)


Windows Defender detects this threat.

The threat is a member of the Alureon family of data-stealing trojans. These trojans allow a malicious hacker to get confidential information such as your user names, passwords, and credit card data.

For more information on the Alureon family, see the Alureon family description and the DOS/Alureon description.

The following free Microsoft software detects this threat:

To restore your PC, you might need to use Windows Defender Offline. See our advanced troubleshooting page for more help.

You can also ask for help from other PC users at the Microsoft virus and malware community.

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

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