Submission Summary:

• Submission details:
• Submission received: 23 October 2012, 01:06:40
• Processing time: 10 min 20 sec
• Submitted sample:
• File MD5: 0xB0E52F204B018853C00BA19678AD6967
• File SHA-1: 0x561253EE29798B31745140169FEB2A1A9ECB8760
• Filesize: 153,088 bytes
• Alias:
• Worm:Win32/Dorkbot.I [Microsoft]
• Virus.Delf [Ikarus]

• Summary of the findings:

What's been found	Severity Level
Communication with a remote IRC server.
Creates a startup registry entry.

Technical Details:

File System Modifications

• The following file was created in the system:

• 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 memory pages created in the address space of the system process(es):

Process Name	Process Filename	Allocated Size
services.exe	%System%\services.exe	319,488 bytes
svchost.exe	%System%\svchost.exe	319,488 bytes
svchost.exe	%System%\svchost.exe	319,488 bytes
svchost.exe	%System%\svchost.exe	319,488 bytes
svchost.exe	%System%\svchost.exe	319,488 bytes
svchost.exe	%System%\svchost.exe	319,488 bytes
alg.exe	%System%\alg.exe	319,488 bytes

• Notes:
• %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).

Registry Modifications

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

so that Scxaxs.exe runs every time Windows starts

Other details

• To mark the presence in the system, the following Mutex object was created:
• e621ca05-Mutex