Name :	Trojan-Dropper:W32/VB.ME
Detection Names :	Trojan-Dropper.Win32.VB.me
Size:	233472
Category:	Malware
Type:	Trojan-Dropper
Platform:	W32

Trojan-Dropper.Win32.VB.me drops multiple copies of itself to saved download folders of known Peer-to-Peer applications.

The malware's behavior primarily involves the use of peer-to-peer (P2P) applications.

It initially checks for the existence of the following P2P configuration files and registry configuration to get the Directory where the downloaded files were kept:


It then queries the following P2P application executables and executes them if they exist:


By design, it will initially just check for a LimeWire installation. Checking for BearShare, Morpheus, Morpheus Ultra, and Shareaza will be done after checking if any of the following executables: bearshare.exe, morpheus.exe, or shareaza.exe are running in the processes.

It then adds a hidden "_" folder in location where the default Saved folder is located.

To continue, it first checks if it is running as %alluserstartup%\wmplayer.exe.

If no, it generates a message box then exits:


If yes, it check to see if any of the following files exist in the system directory:


If the files are not found it drops and execute %windows%\b.exe.

It locks the following system tools to prevent easy removal of the malware:


Attempt to execute the said tools prompts a message box:


It then drops a copy of itself as "yesyesyesyes.exe" to the saved directory of the target psp app inside the created "_" folder.

It downloads the page:


It parses through file to get music or video titles, usually containing the most recent ones. Using these names it then creates a copy of itself on the saved download folders.