ThreatExpert Report: Worm.Win32.AutoRun.cwqh, W32/Autorun.worm.bcz, Worm:Win32/Autorun.AGE..

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Submission Summary:

Submission details:

Submission received: 5 September 2012, 17:01:24
Processing time: 7 min 42 sec
Submitted sample:

File MD5: 0xABB26B04BC9039C41CECE2E557A2D442
File SHA-1: 0x05D6E2A1C84CD6241D4F702FF58243A240221500
Filesize: 221,184 bytes
Alias:

Worm.Win32.AutoRun.cwqh [Kaspersky Lab]
W32/Autorun.worm.bcz [McAfee]
Worm:Win32/Autorun.AGE [Microsoft]
Win32.Worm.Autorun [Ikarus]

Technical Details:

Possible Security Risk

Attention! The following threat category was identified:

Threat Category	Description
	A network-aware worm that attempts to replicate across the existing network(s)

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	c:\D_20866.nsl	0 bytes	MD5: 0xD41D8CD98F00B204E9800998ECF8427E SHA-1: 0xDA39A3EE5E6B4B0D3255BFEF95601890AFD80709	(not available)
2	%System%\Debug\new\api_156.txt.def	78 bytes	MD5: 0x579A13603593B6A1DA96BEE20ADE02C4 SHA-1: 0xC3EFC97F2B9D4DB0EE098CD9E6B22832BF0A8C23	(not available)
3	[file and pathname of the sample #1]	221,184 bytes	MD5: 0xABB26B04BC9039C41CECE2E557A2D442 SHA-1: 0x05D6E2A1C84CD6241D4F702FF58243A240221500	Worm.Win32.AutoRun.cwqh [Kaspersky Lab] W32/Autorun.worm.bcz [McAfee] Worm:Win32/Autorun.AGE [Microsoft] Win32.Worm.Autorun [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).

The following directories were created:

%System%\Debug
%System%\Debug\new

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]	225,280 bytes

Registry Modifications

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]

[filename of the sample #1 without extension] = "[file and pathname of the sample #1]"

so that [file and pathname of the sample #1] runs every time Windows starts

[HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows]

run = "[file and pathname of the sample #1]"

so that [file and pathname of the sample #1] runs every time Windows starts

Other details

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

China

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

ja%^&qio1

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