Submission Summary:

• Submission details:
• Submission received: 5 October 2012, 17:19:23
• Processing time: 9 min 2 sec
• Submitted sample:
• File MD5: 0x01CDFF68DEC41720FFE6AB5B23B7AB95
• File SHA-1: 0x621675C1003D3E5A6AF2948C1DE7E145F817606D
• Filesize: 368,002 bytes
• Alias:
• Trojan.Gen [Symantec]
• Trojan.Win32.Inject.egxv [Kaspersky Lab]
• BackDoor-CEP!b2i [McAfee]
• Backdoor:Win32/Bifrose.AE [Microsoft]
• Trojan.Win32.Inject [Ikarus]

• Summary of the findings:

What's been found	Severity Level
Produces outbound traffic.
Creates a startup registry entry.
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

• Attention! The following threat category was identified:

Threat Category	Description
	A malicious trojan horse or bot that may represent security risk for the compromised system and/or its network environment

File System Modifications

• The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%AppData%\addons.dat	25,057 bytes	MD5: 0xFA85F319BAE30E3FA8A13A396A4A0882 SHA-1: 0xC993DBD63FBF0D53AB21BC170FDEA3E9FEFA040A	(not available)
2	%System%\App\AcAdProc.dll [file and pathname of the sample #1]	368,002 bytes	MD5: 0x01CDFF68DEC41720FFE6AB5B23B7AB95 SHA-1: 0x621675C1003D3E5A6AF2948C1DE7E145F817606D	Trojan.Gen [Symantec] Trojan.Win32.Inject.egxv [Kaspersky Lab] BackDoor-CEP!b2i [McAfee] Backdoor:Win32/Bifrose.AE [Microsoft] Trojan.Win32.Inject [Ikarus]
3	%System%\App\logg.dat	0 bytes	MD5: 0xD41D8CD98F00B204E9800998ECF8427E SHA-1: 0xDA39A3EE5E6B4B0D3255BFEF95601890AFD80709	(not available)

• 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).

• The following directory was created:
• %System%\App

Memory Modifications

• There was a new process created in the system:

Registry Modifications

• The following Registry Keys were created:
• HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{4FCAD33A-B9FC-147E-C707-49D7E8C93148}
• HKEY_LOCAL_MACHINE\SOFTWARE\Windows
• HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\MediaResources\msvideo
• HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\MediaResources\msvideo
• HKEY_CURRENT_USER\Software\Windows

• The newly created Registry Values are:
• [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{4FCAD33A-B9FC-147E-C707-49D7E8C93148}]
• stubpath = "%System%\App\AcAdProc.dll s"

so that AcAdProc.dll runs every time Windows starts

• [HKEY_LOCAL_MACHINE\SOFTWARE\Windows]
• nck = ED 1B E6 27 B9 28 D6 32 74 C3 CD 74 FA 93 5B 67
• [HKEY_CURRENT_USER\Software\Windows]
• klg = 01
• plg1 = EA 44 DC 02 A3 27 D7 5F 11 AD B9 07 DA F2 35 03 2A 35 8E 58 1B 0E 11 94 D4 F9 28 1F 11 4D 98 BC D2 64 44 8E CD F9 B9 BA 23 BD 45 ED 15 A6 77 AF B8 7C 04 4D 90 91 58 5F 81 61 19 72 00 4E 53 7A E1 AB E6 8B 30 CA 34 56 F9 AD AD F8 4D 41 0F F6 9F 90 A2 1

Other details

• The following Host Name was requested from a host database:
• korooom.no-ip.biz

• There was registered attempt to establish connection with the remote host. The connection details are:

Outbound traffic (potentially malicious)

• There was an outbound traffic produced on port 81: