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Aliases: No associated aliases
This threat is a member of the Win32/Sirefef family.
Windows Defender Antivirus detects and removes this threat.
This trojan can install other malware or unwanted software onto your PC.
What to do now
Use the following free Microsoft software to detect and remove this threat:
- Windows Defender for Windows 10 and Windows 8.1, or Microsoft Security Essentials for Windows 7 and Windows Vista
- Microsoft Safety Scanner
You should also run a full scan. A full scan might find other hidden malware.
Get more help
If you’re using Windows XP, see our Windows XP end of support page.