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Microsoft Security Intelligence
Published May 09, 2010 | Updated Sep 15, 2017

TrojanSpy:Win32/PerfectKeylogger.B

Detected by Microsoft Defender Antivirus

Aliases: not-a-virus:Monitor.Win32.Perflogger.cb (Kaspersky) Application.Keylogger.PVY (BitDefender) Win32/Perflogger.AH (CA) Trojan.Peflog.168 (Dr.Web) Win32/Spy.PerfKey.NAA (ESET) not-a-virus:Monitor.Win32.Perflogger (Ikarus) Perfect Keylogger (Sophos) Trojan.Win32.PerfectKeylogger.AB (Sunbelt Software) TROJ_QDOWN.I (Trend Micro)

Summary

TrojanSpy:Win32/PerfectKeylogger.B is a trojan that can log keystrokes and mouse clicks, and capture screenshots of the computer in which it is installed. It then sends its gathered information to a remote attacker via e-mail or FTP.
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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