ThreatExpert Report: not-a-virus:Porn-Dialer.Win32.Agent.bk, Trojan:Win32/Wimpixo.gen!A..

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Submission Summary:

Submission details:

Submission received: 1 July 2009, 16:06:10
Processing time: 5 min 21 sec
Submitted sample:

File MD5: 0xED1DB72C2534EFFE20E6E5D104C501CD
File SHA-1: 0xB92C1B9810BBAA1E12EBA8CAD9A2225665D00249
Filesize: 50,688 bytes
Alias & packer info:

not-a-virus:Porn-Dialer.Win32.Agent.bk [Ikarus]
packed with: PE_Patch.UPX [Kaspersky Lab]

Technical Details:

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%System%\6to4v32.dll	65,536 bytes	MD5: 0x9669B255BD6596818AEC95D166574C50 SHA-1: 0x5FBE77E34DBB25DDA017AFAAF102EF0BDF0F8B0F	Trojan:Win32/Wimpixo.gen!A [Microsoft] Trojan.Inject [Ikarus] Win-Trojan/Wimpixo.65536 [AhnLab]
2	%System%\pcmstub.sys	2,304 bytes	MD5: 0x549211D4DA7EC01DD5C40C4053143CA5 SHA-1: 0x026BDFBF84E19246F9D9ECA173BF610E5C986BDC	Trojan.Rootkit [Ikarus]
3	[file and pathname of the sample #1]	50,688 bytes	MD5: 0xED1DB72C2534EFFE20E6E5D104C501CD SHA-1: 0xB92C1B9810BBAA1E12EBA8CAD9A2225665D00249	not-a-virus:Porn-Dialer.Win32.Agent.bk [Ikarus] packed with PE_Patch.UPX [Kaspersky Lab]

Note:

%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).

Memory Modifications

There was a new process created in the system:

Process Name	Process Filename	Main Module Size
[filename of the sample #1]	[file and pathname of the sample #1]	90,112 bytes

The following module was loaded into the address space of other process(es):

Module Name	Module Filename	Address Space Details
6to4v32.dll	%System%\6to4v32.dll	Process name: svchost.exe Process filename: %System%\svchost.exe Address space: 0x13B0000 - 0x13C0000

There was a new service created in the system:

Service Name	Display Name	Status	Service Filename
6to4	6to4	"Running"	%System%\svchost.exe -k netsvcs

There was a new kernel-mode driver installed in the system:

Driver Name	Driver Filename
pcmstub	%System%\pcmstub.sys

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_6TO4
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_6TO4\0000
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_6TO4\0000\Control
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_PCMSTUB
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_PCMSTUB\0000
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_PCMSTUB\0000\Control
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\6to4
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\6to4\Parameters
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\6to4\Security
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\6to4\Enum
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\pcmstub
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\pcmstub\Security
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\pcmstub\Enum
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_6TO4
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_6TO4\0000
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_6TO4\0000\Control
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_PCMSTUB
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_PCMSTUB\0000
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_PCMSTUB\0000\Control
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\6to4
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\6to4\Parameters
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\6to4\Security
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\6to4\Enum
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\pcmstub
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\pcmstub\Security
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\pcmstub\Enum

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_6TO4\0000\Control]

*NewlyCreated* = 0x00000000
ActiveService = "6to4"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_6TO4\0000]

Service = "6to4"
Legacy = 0x00000001
ConfigFlags = 0x00000000
Class = "LegacyDriver"
ClassGUID = "{8ECC055D-047F-11D1-A537-0000F8753ED1}"
DeviceDesc = "6to4"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_6TO4]

NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_PCMSTUB\0000\Control]

*NewlyCreated* = 0x00000000
ActiveService = "pcmstub"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_PCMSTUB\0000]

Service = "pcmstub"
Legacy = 0x00000001
ConfigFlags = 0x00000000
Class = "LegacyDriver"
ClassGUID = "{8ECC055D-047F-11D1-A537-0000F8753ED1}"
DeviceDesc = "pcmstub"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_PCMSTUB]

NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\6to4\Enum]

0 = "Root\LEGACY_6TO4\0000"
Count = 0x00000001
NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\6to4\Security]

Security = 01 00 14 80 90 00 00 00 9C 00 00 00 14 00 00 00 30 00 00 00 02 00 1C 00 01 00 00 00 02 80 14 00 FF 01 0F 00 01 01 00 00 00 00 00 01 00 00 00 00 02 00 60 00 04 00 00 00 00 00 14 00 FD 01 02 00 01 01 00 00 00 00 00 05 12 00 00 00 00 00 18 00 FF 01 0F 0

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\6to4\Parameters]

ServiceDll = "%System%\6to4v32.dll"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\6to4]

Type = 0x00000120
Start = 0x00000002
ErrorControl = 0x00000001
ImagePath = "%System%\svchost.exe -k netsvcs"
DisplayName = "6to4"
ObjectName = "LocalSystem"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\pcmstub\Enum]

0 = "Root\LEGACY_PCMSTUB\0000"
Count = 0x00000001
NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\pcmstub\Security]

Security = 01 00 14 80 90 00 00 00 9C 00 00 00 14 00 00 00 30 00 00 00 02 00 1C 00 01 00 00 00 02 80 14 00 FF 01 0F 00 01 01 00 00 00 00 00 01 00 00 00 00 02 00 60 00 04 00 00 00 00 00 14 00 FD 01 02 00 01 01 00 00 00 00 00 05 12 00 00 00 00 00 18 00 FF 01 0F 0

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\pcmstub]

Type = 0x00000001
Start = 0x00000003
ErrorControl = 0x00000000
ImagePath = "%System%\pcmstub.sys"
DisplayName = "pcmstub"
Description = "pcmstub"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_6TO4\0000\Control]

*NewlyCreated* = 0x00000000
ActiveService = "6to4"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_6TO4\0000]

Service = "6to4"
Legacy = 0x00000001
ConfigFlags = 0x00000000
Class = "LegacyDriver"
ClassGUID = "{8ECC055D-047F-11D1-A537-0000F8753ED1}"
DeviceDesc = "6to4"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_6TO4]

NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_PCMSTUB\0000\Control]

*NewlyCreated* = 0x00000000
ActiveService = "pcmstub"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_PCMSTUB\0000]

Service = "pcmstub"
Legacy = 0x00000001
ConfigFlags = 0x00000000
Class = "LegacyDriver"
ClassGUID = "{8ECC055D-047F-11D1-A537-0000F8753ED1}"
DeviceDesc = "pcmstub"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_PCMSTUB]

NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\6to4\Enum]

0 = "Root\LEGACY_6TO4\0000"
Count = 0x00000001
NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\6to4\Security]

Security = 01 00 14 80 90 00 00 00 9C 00 00 00 14 00 00 00 30 00 00 00 02 00 1C 00 01 00 00 00 02 80 14 00 FF 01 0F 00 01 01 00 00 00 00 00 01 00 00 00 00 02 00 60 00 04 00 00 00 00 00 14 00 FD 01 02 00 01 01 00 00 00 00 00 05 12 00 00 00 00 00 18 00 FF 01 0F 0

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\6to4\Parameters]

ServiceDll = "%System%\6to4v32.dll"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\6to4]

Type = 0x00000120
Start = 0x00000002
ErrorControl = 0x00000001
ImagePath = "%System%\svchost.exe -k netsvcs"
DisplayName = "6to4"
ObjectName = "LocalSystem"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\pcmstub\Enum]

0 = "Root\LEGACY_PCMSTUB\0000"
Count = 0x00000001
NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\pcmstub\Security]

Security = 01 00 14 80 90 00 00 00 9C 00 00 00 14 00 00 00 30 00 00 00 02 00 1C 00 01 00 00 00 02 80 14 00 FF 01 0F 00 01 01 00 00 00 00 00 01 00 00 00 00 02 00 60 00 04 00 00 00 00 00 14 00 FD 01 02 00 01 01 00 00 00 00 00 05 12 00 00 00 00 00 18 00 FF 01 0F 0

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\pcmstub]

Type = 0x00000001
Start = 0x00000003
ErrorControl = 0x00000000
ImagePath = "%System%\pcmstub.sys"
DisplayName = "pcmstub"
Description = "pcmstub"

Other details

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

8xp/YzqhJ+9U3RgUIoNETaprKC

The following Host Names were requested from a host database:

lothotels.com
127.0.0.1
hotelseas.com

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