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Microsoft Security Intelligence
Published Jan 19, 2011 | Updated Sep 15, 2017


Detected by Microsoft Defender Antivirus

Aliases: Win-AppCare/Hacktool.133120.B (AhnLab) Application.Hacktool.BA (BitDefender) Flooder.Loic (Dr.Web) MSIL/HackTool.LOIC.AA (ESET) HackTool.Win32.Oylecann (Ikarus) HackTool.MSIL.Loic.f (Kaspersky) Generic.dx!syv (McAfee) Troj/Loic-A (Sophos) HKTL_LOIC (Test) Low Orbit Ion Cannon (other) LOIC (other)


Windows Defender  detects and removes this threat.
HackTool:Win32/Oylecann.A is a tool that can be used to send a flood of network packets, like TCP, UDP and HTTP, to a designated target.
Programs designated as Hacktool are generally installed intentionally by a computer user. Deleting the installed components will remove it.
Use the following free Microsoft software to detect and remove this threat:

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

Use cloud protection

The Microsoft Active Protection Service (MAPS) uses cloud protection to help guard against the latest malware threats. It’s turned on by default for Microsoft Security Essentials and Windows Defender for Windows 10. 

Get more help

You can also see 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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