Published Mar 29, 2012 | Updated Sep 15, 2017


Detected by Microsoft Defender Antivirus

Aliases: BDS/Kelihos.F.50 (Avira) Trojan.Packed.2339 (Dr.Web) Trojan.Win32.FakeAv.lqyd (Kaspersky) Mal/FakeAV-QV (Sophos)


Windows Defender detects and removes this threat.

This trojan can give a malicious hacker access and control of your PC.

It can be installed by other malware, such as TrojanDownloader:Win32/Waledac.C, or other variants of the Win32/Kelihos family.

The family spreads by sending spam emails that have links to other malware. They can also communicate with other PCs to exchange information about sending spam emails, steal your sensitive information, or download and run malicious files.

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

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

Protect your sensitive information

This threat tries to steal your sensitive and confidential information. If you think your information has been stolen, see:

You should change your passwords after you've removed this threat:

Prevent malware infections from spam emails
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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