Published Apr 12, 2010 | Updated Sep 15, 2017


Severe |Detected with Windows Defender Antivirus

Aliases: Win32/Alureon.H (other) W32/SYStroj.AB2.gen!Eldorado (Command) Win32/Patched.DP (AVG) TR/Patched.Gen (Avira) Rootkit.Patched.TDSS.Gen (BitDefender) Win32/Alureon.A!Generic (CA) BackDoor.Tdss.2459 (Dr.Web) Win32/Olmarik.ZC (ESET) Rootkit.Win32.TDSS.ap (Kaspersky) Patched-SYSFile.d (McAfee) W32/TDSS.drv.gen8 (Norman) Bck/Tdss.AL (Panda) Rootkit.Win32.TDSS.c (Rising AV) Mal/TDSSRt-A (Sophos) LooksLike.Win32.PatchedDriver!A (Sunbelt Software) Backdoor.Tidserv!inf (Symantec) Mal_TIDIES-12 (Trend Micro) Rootkit.TDSS.Gen.3 (VirusBuster)


Windows Defender detects this threat.

This virus is part of the Win32/Alureon family of data-stealing malware. They can give a malicious hacker access to steal your confidential information such as your user names, passwords, and credit card data. 

They can also send malicious data to your PC and corrupt some driver files, making them unusable.

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.

Advanced troubleshooting

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

Get 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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