Troj/Cosiam-F is a backdoor Trojan which allows a remote intruder to gain access and control over the computer.
Troj/Cosiam-F includes functionality to access the internet and communicate with a remote server via HTTP.
When first run Troj/Cosiam-F copies itself to <System>\tetriz3.exe and creates the file <System>\bin29a.log.
The following registry entries are created to run tetriz3.exe on startup:
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
tetriz3
<System>\tetriz3.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
tetriz3
<System>\tetriz3.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
tetriz3
<System>\tetriz3.exe
Registry entries are created under:
HKLM\SOFTWARE\Microsoft\