Submission Summary:

• Submission details:
• Submission received: 6 July 2009, 01:31:12
• Processing time: 6 min 50 sec
• Submitted sample:
• File MD5: 0xDB4FF8380C0F6F32B911F98D0DE5A0E0
• File SHA-1: 0x37C75AF2C5AC4977F5D9728F998532B084FF1011
• Filesize: 51,712 bytes

• Summary of the findings:

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

Technical Details:

• The new window was created, as shown below:

File System Modifications

• The following files were created in the system:

#	Filename(s)	File Size	File Hash
1	%AppData%\twain_x86.exe %System%\cmds.exe [file and pathname of the sample #1]	51,712 bytes	MD5: 0xDB4FF8380C0F6F32B911F98D0DE5A0E0 SHA-1: 0x37C75AF2C5AC4977F5D9728F998532B084FF1011
2	%Temp%\dw.log	156 bytes	MD5: 0x52B0DAF31864086C88A67E648CF475C3 SHA-1: 0x552A4A5FC367ADF422B7AA8FC341BEF260063EBC

• Notes:
• %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.
• %System% is a variable that refers to the System folder. By default, this is C:\Windows\System (Windows 95/98/Me), C:\Winnt\System32 (Windows NT/2000), or C:\Windows\System32 (Windows XP).
• %Temp% is a variable that refers to the temporary folder in the short path form. By default, this is C:\Documents and Settings\[UserName]\Local Settings\Temp\ (Windows NT/2000/XP).

Memory Modifications

• There were new processes created in the system:

Process Name	Process Filename	Main Module Size
DW20.EXE	C:\PROGRA~1\COMMON~1\MICROS~1\DW\DW20.EXE	794,624 bytes
twain_x86.exe	%AppData%\twain_x86.exe	N/A
cmds.exe	%System%\cmds.exe	N/A

Registry Modifications

• The newly created Registry Values are:
• [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
• Microsoft WinService = "%System%\cmds.exe"

so that cmds.exe runs every time Windows starts

• [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]
• Microsoft WinService = "%System%\cmds.exe"

so that cmds.exe runs every time Windows starts

• The following Registry Value was modified:
• [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
• Userinit = "%System%\userinit.exe,%System%\cmds.exe,"

so that cmds.exe runs every time Windows starts

Other details

• The following Host Names were requested from a host database:
• wpad.mrc.pctools.com.
• wormbot.net

• The following GET request was made:
• wpad.dat