Published Feb 16, 2011 | Updated Sep 15, 2017

Worm:Win32/Ainslot.B

Severe |Detected with Windows Defender Antivirus

Aliases: WORM_SILLY.EF (Trend Micro) Trojan-Dropper.MSIL.StubRC.gym (Kaspersky) W32.SillyFDC (Symantec)

Summary

Worm:Win32/Ainslot.B is a worm that spreads via removable drives and instant messenger networks. It also contains backdoor functionality, allowing a remote attacker to perform a number of actions on the affected computer.
To detect and remove this threat and other malicious software that may have been installed in your computer, run a full-system scan with an up-to-date antivirus product such as the following: For more information about using antivirus software, see http://www.microsoft.com/windows/antivirus-partners/.
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