Troj/Tibs-PI is an email relaying Trojan for the Windows platform.
The Trojan can be used to send spam. The content of the messages it sends is downloaded from a preconfigured website.
When first run the Trojan copies itself to <System>\taskdir.exe and creates the
following files:
<System>\adir.dll (Detected by Sophos as Troj/HideDl-B)
The following registry entry is created to run taskdir.exe on startup:
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
taskdir
<System>\taskdir.exe