Published Jan 14, 2010 | Updated Sep 15, 2017

VirTool:Win32/Joiner.F

Severe |Detected with Windows Defender Antivirus

Aliases: Trojan-Dropper.Win32.FriJoiner.ayj (Kaspersky) W32/Bifrose.BOXE (Norman) Trojan.DR.FriJoiner.ZP (VirusBuster) TR/Drop.FriJoiner.ayj (Avira) Trojan-Dropper.Win32.FriJoiner (Ikarus) Trj/Sinowal.DW (Panda) Backdoor.Bifrose (Symantec)

Summary

VirTool:Win32/Joiner.F is a tool that can drop and execute a Flash (SWF) file. This tool can be used by an attacker to drop and execute malicious Flash files.
Manual removal is not recommended for this threat. To detect and remove this threat and other malicious software that may have been installed, run a full-system scan with an up-to-date antivirus product such as Microsoft Security Essentials, or the Microsoft Safety Scanner. For more information about using antivirus software, see http://www.microsoft.com/security/antivirus/av.aspx.
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