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Microsoft Security Intelligence
Published Nov 03, 2014 | Updated Sep 15, 2017


Detected by Microsoft Defender Antivirus

Aliases: Trojan-Dropper.Win32.Dorifel.alfg (Kaspersky) winpe/Troj_Generic.UOODR (Norman) Inject2.AKLL (AVG) TR/Symmi.43152.15 (Avira) Trojan.Spambot.12642 (Dr.Web) W32/Tofsee.AX!tr (Fortinet)


Microsoft security software detects and removes this family of threats.

These backdoor trojans can use your PC to send spam emails, conduct DDoS attacks and mine for Bitcoins. They can also monitor what you do on your PC and send the information to a malicious hacker. 

Find out ways that malware can get on your PC

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.

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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