Published Oct 26, 2011 | Updated Sep 15, 2017


Severe |Detected with Windows Defender Antivirus

Aliases: Rootkit.MBR.Sst.B (Boot image) (BitDefender) Trojan.DOS.Alureon (Ikarus) Troj/TdlMbr-D (Sophos)


Windows Defender detects and removes this threat.

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

See the Alureon and DOS/Alureon family descriptionfor more information.

Use the following free Microsoft software to detect this threat:

You should also run a full scan. A full scan might find other 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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