Submission Summary:

• Submission details:
• Submission received: 16 July 2012, 17:13:55
• Processing time: 10 min 49 sec
• Submitted sample:
• File MD5: 0x3AC709F98C7CBDAC073FA84BFE5C2D06
• File SHA-1: 0xC43534609B0F727D1F334596B8FC0DFFC3CDC5DA
• Filesize: 299,168 bytes
• Alias:
• PWS-Zbot.gen.uh [McAfee]
• Mal/Cleaman-B [Sophos]
• Virus.Win32.Zbot [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%\City\pyagon.exe	299,168 bytes	MD5: 0xB59FDD0A9DCD9E134ABAB73AAFCFB938 SHA-1: 0xB6AD8BA4AE0F36C363FED1A85B5135E1C493B236	PWS-Zbot.gen.uh [McAfee] Mal/Cleaman-B [Sophos] Virus.Win32.Zbot [Ikarus]
2	%AppData%\axfy.oni	1,322 bytes	MD5: 0x3C82C0DE79A3B62DF6615CD9E96974CC SHA-1: 0x6B3B40E091ABE3B50ACE30DD87BFF118F436FDAE	(not available)
3	%Temp%\tmp98d37189.bat	168 bytes	MD5: 0x29D746C35A1EF65C412D4F9F6530E727 SHA-1: 0x9D031A9E0F60EA017C940124E840C2AC4B468A02	(not available)
4	[file and pathname of the sample #1]	299,168 bytes	MD5: 0x3AC709F98C7CBDAC073FA84BFE5C2D06 SHA-1: 0xC43534609B0F727D1F334596B8FC0DFFC3CDC5DA	PWS-Zbot.gen.uh [McAfee] Mal/Cleaman-B [Sophos] Virus.Win32.Zbot [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.
• %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).

• The following directory was created:
• %AppData%\City

Memory Modifications

• There were new processes 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
cmd.exe	%System%\cmd.exe	278,528 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 following Registry Keys were created:
• HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Privacy
• HKEY_CURRENT_USER\Software\Microsoft\Ozicny

• The newly created Registry Values are:
• [HKEY_CURRENT_USER\Identities]
• Identity Login = 0x00098053
• [HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Privacy]
• CleanCookies = 0x00000000
• [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]
• {3DFA1AE4-115C-AD7B-A6BA-A75086AF8442} = ""%AppData%\City\pyagon.exe""

so that pyagon.exe runs every time Windows starts

• [HKEY_CURRENT_USER\Software\Microsoft\Ozicny]
• 2198989b = "4YambdmlOptDJNQ2+v4="
• 1ggf4101 = D2 86 D4 6D
• ehbhhc5 = "w7LUbX/MTpspJOU2"

• The following Registry Values were modified:
• [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0]
• 1609 =
• [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1]
• 1406 =
• 1609 =
• [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2]
• 1609 =
• [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3]
• 1406 =
• 1609 =
• [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4]
• 1406 =
• 1609 =

Other details

• To mark the presence in the system, the following Mutex object was created:
• Local\{FA4803F7-084F-6AC9-A6BA-A75086AF8442}