Submission Summary:

• Submission details:
• Submission received: 26 October 2012, 08:24:47
• Processing time: 10 min 30 sec
• Submitted sample:
• File MD5: 0xCEE2E5DA9FA14041B13DEFE8B5F3EFAF
• File SHA-1: 0xA53F3F20078582F17F7D1941CC99DD1C12C93B84
• Filesize: 194,048 bytes
• Alias:
• Ransom-ABD.gen.a [McAfee]
• Win32.LockScreen [Ikarus]

• Summary of the findings:

What's been found	Severity Level
Creates a startup registry entry.

Technical Details:

File System Modifications

• The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%AppData%\ctfmon32.exe	91,136 bytes	MD5: 0xFEEB7F342EF4492F1286B00204A17840 SHA-1: 0xD1B57E0B38FF40CB6CBA655A4B85069E46632066	Trojan.Win32.Spy [Ikarus]
2	[file and pathname of the sample #1]	194,048 bytes	MD5: 0xCEE2E5DA9FA14041B13DEFE8B5F3EFAF SHA-1: 0xA53F3F20078582F17F7D1941CC99DD1C12C93B84	Ransom-ABD.gen.a [McAfee] Win32.LockScreen [Ikarus]

• Note:
• %AppData% is a variable that refers to the file system directory that serves as a common repository for application-specific data. A typical path is C:\Documents and Settings\[UserName]\Application Data.

Memory Modifications

• There were new processes created in the system:

Process Name	Process Filename	Main Module Size
ctfmon32.exe	%AppData%\ctfmon32.exe	122,880 bytes
[filename of the sample #1]	[file and pathname of the sample #1]	229,376 bytes

Registry Modifications

• The newly created Registry Value is:
• [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]
• ctfmon32.exe = "%AppData%\ctfmon32.exe"

so that ctfmon32.exe runs every time Windows starts