ThreatExpert Report: Trojan.Erotpics!sd6, Trojan.Erotpics, Trojan-Downloader.Win32.Agent.yhp..

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Submission Summary:

Submission details:

Submission received: 20 February 2009, 19:03:34
Processing time: 7 min 3 sec
Submitted sample:

File MD5: 0x57C23FE6897E77080EB610E89719522B
File SHA-1: 0xD64E1ABA1264CC1C20D13D0F612C6CBF44BC18BE
Filesize: 74,752 bytes
Alias:

Trojan.Erotpics!sd6 [PCTools]
Trojan.Erotpics [Symantec]
Trojan-Downloader.Win32.Agent.yhp [Kaspersky Lab]
BackDoor-DNM [McAfee]
TROJ_NUWAR.DQZ [Trend Micro]
Mal/EncPk-DA, Mal/TibsPak [Sophos]
TrojanDownloader:Win32/Cbeplay.E [Microsoft]
Trojan-Dropper.Agent [Ikarus]

Summary of the findings:

What's been found	Severity Level
Downloads/requests other files from Internet.
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

Attention! Characteristics of the following security risks were identified in the system:

Security Risk	Description
Trojan.Erotpics!sd6	Trojan.Erotpics!sd6 is a malicious program that does not infect other files but may represents security risk for your computer and/or network environment.
Trojan-Downloader.Agent.EL	Trojan-Downloader.Agent.EL downloads and installs other malware onto infected machine.

Attention! The following threat categories were identified:

Threat Category	Description
	A program that downloads files to the local computer that may represent security risk
	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 file was created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%System%\CbEvtSvc.exe [file and pathname of the sample #1]	74,752 bytes	MD5: 0x57C23FE6897E77080EB610E89719522B SHA-1: 0xD64E1ABA1264CC1C20D13D0F612C6CBF44BC18BE	Trojan.Erotpics!sd6 [PCTools] Trojan.Erotpics [Symantec] Trojan-Downloader.Win32.Agent.yhp [Kaspersky Lab] BackDoor-DNM [McAfee] TROJ_NUWAR.DQZ [Trend Micro] Mal/EncPk-DA, Mal/TibsPak [Sophos] TrojanDownloader:Win32/Cbeplay.E [Microsoft] Trojan-Dropper.Agent [Ikarus]

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 were new processes created in the system:

Process Name	Process Filename	Main Module Size
CbEvtSvc.exe	%System%\cbevtsvc.exe	110,592 bytes
[filename of the sample #1]	[file and pathname of the sample #1]	110,592 bytes

There was a new service created in the system:

Service Name	Display Name	Status	Service Filename
CbEvtSvc	CbEvtSvc	"Running"	%System%\CbEvtSvc.exe -k netsvcs

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_CBEVTSVC
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_CBEVTSVC\0000
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_CBEVTSVC\0000\Control
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\CbEvtSvc
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\CbEvtSvc\Security
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\CbEvtSvc\Enum
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_CBEVTSVC
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_CBEVTSVC\0000
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_CBEVTSVC\0000\Control
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\CbEvtSvc
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\CbEvtSvc\Security
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\CbEvtSvc\Enum

The newly created Registry Values are:

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

*NewlyCreated* = 0x00000000
ActiveService = "CbEvtSvc"

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

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

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

NextInstance = 0x00000001

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

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

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\CbEvtSvc\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\CbEvtSvc]

Type = 0x00000010
Start = 0x00000002
ErrorControl = 0x00000001
ImagePath = "%System%\CbEvtSvc.exe -k netsvcs"
DisplayName = "CbEvtSvc"
ObjectName = "LocalSystem"

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

*NewlyCreated* = 0x00000000
ActiveService = "CbEvtSvc"

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

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

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

NextInstance = 0x00000001

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

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

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\CbEvtSvc\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\CbEvtSvc]

Type = 0x00000010
Start = 0x00000002
ErrorControl = 0x00000001
ImagePath = "%System%\CbEvtSvc.exe -k netsvcs"
DisplayName = "CbEvtSvc"
ObjectName = "LocalSystem"

The following Registry Values were modified:

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\ServiceCurrent]

(Default) = 0x0000000C

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\ServiceCurrent]

(Default) = 0x0000000C

Other details

The following Host Name was requested from a host database:

72.9.98.234

The data identified by the following URL was then requested from the remote web server:

PC Tools - Essential Tools for your PC

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