Submission Summary:

• Submission details:
• Submission received: 28 March 2009, 05:43:12
• Processing time: 6 min 40 sec
• Submitted sample:
• File MD5: 0x9E2756F0A0AD988E149845B07216B181
• File SHA-1: 0xEE44BE8FB00CAEAF9237D6EA6C44EE71E2DEAB71
• Filesize: 56,832 bytes
• Alias:
• Backdoor.Paproxy!sd6 [PCTools]
• Packed.Generic.187 [Symantec]
• Trojan-Spy.Win32.Zbot.dkf [Kaspersky Lab]
• NTRootKit-H [McAfee]
• TSPY_ZBOT.OJ [Trend Micro]
• Troj/Spy-AS [Sophos]
• Trojan:Win32/Zbot.AT [Microsoft]
• Trojan-Spy.Win32.Zbot.dkf [Ikarus]
• Win32/IRCBot.worm.variant [AhnLab]

• Summary of the findings:

What's been found	Severity Level
Creates a startup registry entry.
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-Spy.Zbot	Trojan-Spy.Zbot is a rootkit trojan which steals online banking information and downloads other malware as well. It opens backdoors on infected computer to allow malicious attacker unauthorized access.
Backdoor.Paproxy!sd6	Backdoor.Paproxy!sd6 is a malicious application that runs in the background and allows remote access to your system, giving the attacker full control of your system.

• Attention! The following threat category was identified:

Threat Category	Description
	A keylogger program that can capture all user keystrokes (including confidential details such username, password, credit card number, etc.)

File System Modifications

• The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%System%\ntos.exe	405,504 bytes	MD5: 0x7384644A0B1E0129385710499DCF90A2 SHA-1: 0x26AE59E298878B41812F1C1A6E6E5D18B4B3840B	Trojan-Spy.Win32.Zbot.dkf [Kaspersky Lab] NTRootKit-H [McAfee] TSPY_ZBOT.OJ [Trend Micro] Troj/Spy-AS [Sophos] Trojan:Win32/Zbot.AT [Microsoft] Trojan-Spy.Win32.Zbot.dkf [Ikarus] Win32/IRCBot.worm.variant [AhnLab]
2	[file and pathname of the sample #1]	56,832 bytes	MD5: 0x9E2756F0A0AD988E149845B07216B181 SHA-1: 0xEE44BE8FB00CAEAF9237D6EA6C44EE71E2DEAB71	Backdoor.Paproxy!sd6 [PCTools] Packed.Generic.187 [Symantec] Trojan-Spy.Win32.Zbot.dkf [Kaspersky Lab] NTRootKit-H [McAfee] TSPY_ZBOT.OJ [Trend Micro] Troj/Spy-AS [Sophos] Trojan:Win32/Zbot.AT [Microsoft] Trojan-Spy.Win32.Zbot.dkf [Ikarus] Win32/IRCBot.worm.variant [AhnLab]
3	%System%\wsnpoem\audio.dll %System%\wsnpoem\video.dll	0 bytes	MD5: 0xD41D8CD98F00B204E9800998ECF8427E SHA-1: 0xDA39A3EE5E6B4B0D3255BFEF95601890AFD80709	(not available)

• 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).

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

Registry Modifications

• The following Registry Keys were created:
• HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\{19127AD2-394B-70F5-C650-B97867BAA1F7}
• HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\{334613DB-50C1-B3BE-95ED-E9915A134FF1}
• HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\{43BF8CD1-C5D5-2230-7BB2-98F22C2B7DC6}

• The newly created Registry Values are:
• [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Network]
• UID = "%ComputerName%_00047D4A"
• [HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\{334613DB-50C1-B3BE-95ED-E9915A134FF1}]
• {F710FA10-2031-3106-8872-93A2B5C5C620} = F7 09 F2 0D
• {E716FA10-2031-AA96-8E72-93A205C5C62C} = 47 09 F2 0D
• [HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\{43BF8CD1-C5D5-2230-7BB2-98F22C2B7DC6}]
• {F710FA10-2031-3106-8872-93A2B5C5C620} = F7 09 F2 0D
• {E716FA10-2031-AA96-8E72-93A205C5C62C} = 47 09 F2 0D
• [HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
• ProxyEnable = 0x00000000

• The following Registry Values were modified:
• [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
• Userinit = "%System%\userinit.exe,%System%\ntos.exe,"

so that ntos.exe runs every time Windows starts

• [HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
• Cookies = "%System%\config\systemprofile\Cookies"
• Cache = "%System%\config\systemprofile\Local Settings\Temporary Internet Files"
• History = "%System%\config\systemprofile\Local Settings\History"

Other details

• Analysis of the file resources indicate the following possible country of origin:

	Russian Federation