Submission Summary:

• Submission details:
• Submission received: 14 September 2012, 22:00:51
• Processing time: 7 min 57 sec
• Submitted sample:
• File MD5: 0x8863B15D5D1D731DDC08C9D026AAC32B
• File SHA-1: 0xC7CD6F26E4CAE694182D4299C1501124961E32A4
• Filesize: 174,592 bytes
• Alias:
• Packed.Generic.367 [Symantec]
• Trojan-Ransom.Win32.Birele.tzg [Kaspersky Lab]
• PWS-Zbot.gen.ads [McAfee]
• Mal/ZAccess-W [Sophos]
• Trojan.Crypt [Ikarus]

Technical Details:

File System Modifications

• The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%AppData%\{cbf70787-72f9-b6ef-7e3c-8c19ccb74892}\@ %Windir%\Installer\{cbf70787-72f9-b6ef-7e3c-8c19ccb74892}\@	2,048 bytes	MD5: 0x1EF78F0004409E6E643275DFED889796 SHA-1: 0x932441168D38B96431C0A787B9B619E0A7693FE2	Mal/ZAccConf-A [Sophos]
2	%AppData%\{cbf70787-72f9-b6ef-7e3c-8c19ccb74892}\n %Windir%\Installer\{cbf70787-72f9-b6ef-7e3c-8c19ccb74892}\n	55,296 bytes	MD5: 0x59C3F36B682A5361680E7917D28388ED SHA-1: 0x0B3C072B24C5AC5A7595EFE68F5A2DCF427FC88A	Packed.Generic.367 [Symantec] ZeroAccess.fa [McAfee] Mal/ZAccess-W [Sophos] Trojan.Crypt [Ikarus]
3	%Windir%\assembly\GAC\Desktop.ini	0 bytes	MD5: 0xD41D8CD98F00B204E9800998ECF8427E SHA-1: 0xDA39A3EE5E6B4B0D3255BFEF95601890AFD80709	(not available)
4	[file and pathname of the sample #1]	174,592 bytes	MD5: 0x8863B15D5D1D731DDC08C9D026AAC32B SHA-1: 0xC7CD6F26E4CAE694182D4299C1501124961E32A4	Packed.Generic.367 [Symantec] Trojan-Ransom.Win32.Birele.tzg [Kaspersky Lab] PWS-Zbot.gen.ads [McAfee] Mal/ZAccess-W [Sophos] Trojan.Crypt [Ikarus]

• 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.
• %Windir% is a variable that refers to the Windows installation folder. By default, this is C:\Windows or C:\Winnt.

• The following directories were created:
• %AppData%\{cbf70787-72f9-b6ef-7e3c-8c19ccb74892}
• %AppData%\{cbf70787-72f9-b6ef-7e3c-8c19ccb74892}\L
• %AppData%\{cbf70787-72f9-b6ef-7e3c-8c19ccb74892}\U
• %Windir%\assembly\GAC
• %Windir%\Installer\{cbf70787-72f9-b6ef-7e3c-8c19ccb74892}
• %Windir%\Installer\{cbf70787-72f9-b6ef-7e3c-8c19ccb74892}\L
• %Windir%\Installer\{cbf70787-72f9-b6ef-7e3c-8c19ccb74892}\U

Memory Modifications

• There was a new process created in the system:

• There was a new memory page created in the address space of the system process(es):

Process Name	Process Filename	Allocated Size
services.exe	%System%\services.exe	45,056 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).

• The following system service was modified:

Service Name	Display Name	New Status	Service Filename
ALG	Application Layer Gateway Service	"Stopped"	%System%\alg.exe

Registry Modifications

• The following Registry Keys were created:
• HKEY_CURRENT_USER\Software\Classes\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}
• HKEY_CURRENT_USER\Software\Classes\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32

• The newly created Registry Value is:
• [HKEY_CURRENT_USER\Software\Classes\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32]
• ThreadingModel = "Both"
• (Default) = "%AppData%\{cbf70787-72f9-b6ef-7e3c-8c19ccb74892}\n."

• The following Registry Value was modified:
• [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{F3130CDB-AA52-4C3A-AB32-85FFC23AF9C1}\InprocServer32]
• (Default) =

Other details

• The following Host Name was requested from a host database:
• 192.5.5.241