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2/23: DelfInj-B Trojan Gives Remote Intruder System Access, Control
By Esther Shein
February 23, 2009

Troj/DelfInj-B is a Trojan for the Windows platform.

Troj/DelfInj-B runs continuously in the background, providing a backdoor server that allows a remote intruder to gain access and control over the computer via IRC channels.

When first run Troj/DelfInj-B copies itself to Systemcsrcs.exe.

The following registry entry is created to run csrcs.exe on startup:

HKLMSOFTWAREMicrosoftWindowsCurrentVersionRun Client Server
Systemcsrcs.exe

More information can be found at this Sophos page.