ThreatExpert Report: ZeroAccess.hp, Trojan-Ransom.Win32.PornoAsset, ZeroAccess!cfg, Mal/ZAccConf-A..

Visit ThreatExpert web site

Close Report

Submission Summary:

Submission details:

Submission received: 25 October 2012, 17:27:15
Processing time: 9 min 19 sec
Submitted sample:

File MD5: 0x139E808D9DD783687E3F8528CCA98F93
File SHA-1: 0xC92BBBB9356339688057340617C00E344D9F1CEE
Filesize: 236,032 bytes
Alias:

ZeroAccess.hp [McAfee]
Trojan-Ransom.Win32.PornoAsset [Ikarus]

Summary of the findings:

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

Technical Details:

Possible Security Risk

Attention! The following threat category was identified:

Threat Category	Description
	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 files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	c:\RECYCLER\S-1-5-18\$cbf7078772f9b6ef7e3c8c19ccb74892\@	2,048 bytes	MD5: 0xB82A53337E06AC96E890A4AB164ABE72 SHA-1: 0x1EE6D46F0D94D38F7164A304E3022F08F6D0BD6D	ZeroAccess!cfg [McAfee] Mal/ZAccConf-A [Sophos]
2	c:\RECYCLER\S-1-5-18\$cbf7078772f9b6ef7e3c8c19ccb74892\n c:\RECYCLER\S-1-5-21-606747145-764733703-839522115-1003\$cbf7078772f9b6ef7e3c8c19ccb74892\n	77,312 bytes	MD5: 0xE2176381502DBC7D76BE8F25FE6DBE4E SHA-1: 0xD5688DC223F7A088EE81579E2572AB33468FBC64	Trojan.Zeroaccess!g19 [Symantec] ZeroAccess.hp [McAfee] Trojan-Ransom.Win32.PornoAsset [Ikarus]
3	c:\RECYCLER\S-1-5-21-606747145-764733703-839522115-1003\$cbf7078772f9b6ef7e3c8c19ccb74892\@	2,048 bytes	MD5: 0xFCC3C92DBB2C169E1E9E1BFB6B6E84C0 SHA-1: 0xB3780F8ADFD9504C516A9459863126F8FB52246A	ZeroAccess!cfg [McAfee] Mal/ZAccConf-A [Sophos]
4	%Windir%\assembly\GAC\Desktop.ini	0 bytes	MD5: 0xD41D8CD98F00B204E9800998ECF8427E SHA-1: 0xDA39A3EE5E6B4B0D3255BFEF95601890AFD80709	(not available)
5	[file and pathname of the sample #1]	236,032 bytes	MD5: 0x139E808D9DD783687E3F8528CCA98F93 SHA-1: 0xC92BBBB9356339688057340617C00E344D9F1CEE	ZeroAccess.hp [McAfee] Trojan-Ransom.Win32.PornoAsset [Ikarus]

Note:

%Windir% is a variable that refers to the Windows installation folder. By default, this is C:\Windows or C:\Winnt.

The following directories were created:

c:\RECYCLER\S-1-5-18
c:\RECYCLER\S-1-5-18\$cbf7078772f9b6ef7e3c8c19ccb74892
c:\RECYCLER\S-1-5-18\$cbf7078772f9b6ef7e3c8c19ccb74892\L
c:\RECYCLER\S-1-5-18\$cbf7078772f9b6ef7e3c8c19ccb74892\U
c:\RECYCLER\S-1-5-21-606747145-764733703-839522115-1003\$cbf7078772f9b6ef7e3c8c19ccb74892
c:\RECYCLER\S-1-5-21-606747145-764733703-839522115-1003\$cbf7078772f9b6ef7e3c8c19ccb74892\L
c:\RECYCLER\S-1-5-21-606747145-764733703-839522115-1003\$cbf7078772f9b6ef7e3c8c19ccb74892\U
%Windir%\assembly\GAC

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]	282,624 bytes

The following modules were loaded into the address space of other process(es):

Module Name	Module Filename	Address Space Details
y	%System%\y	Process name: services.exe Process filename: %System%\services.exe Address space: 0x6F0000 - 0x70D000
y	%System%\y	Process name: explorer.exe Process filename: %Windir%\explorer.exe Address space: 0x1640000 - 0x165D000

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).

The following system service was modified:

Service Name	Display Name	New Status	Service Filename
ALG	Application Layer Gateway Service	"Stopped"	%System%\alg.exe

Registry Modifications

The following Registry Keys were created:

HKEY_CURRENT_USER\Software\Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}
HKEY_CURRENT_USER\Software\Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32

The newly created Registry Value is:

[HKEY_CURRENT_USER\Software\Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32]

ThreadingModel = "Both"
(Default) = "C:\RECYCLER\S-1-5-21-606747145-764733703-839522115-1003\$cbf7078772f9b6ef7e3c8c19ccb74892\n."

Other details

The following HTTP URLs were started reading:

http://forever-counters.com/5699145-24B8EBEDAA47374020E664A2406FB684/counter.img?theme=1&digits=10&siteId=31017476
http://forever-counters.com/5699145-24B8EBEDAA47374020E664A2406FB684/counter.img?theme=2&digits=10&siteId=31017597
http://forever-counters.com/5699145-24B8EBEDAA47374020E664A2406FB684/counter.img?theme=3&digits=10&siteId=31017606
http://forever-counters.com/5699145-24B8EBEDAA47374020E664A2406FB684/counter.img?theme=4&digits=10&siteId=31017607
http://forever-counters.com/5699145-24B8EBEDAA47374020E664A2406FB684/counter.img?theme=5&digits=10&siteId=31017477
http://forever-counters.com/5699145-24B8EBEDAA47374020E664A2406FB684/counter.img?theme=6&digits=10&siteId=31017496
http://forever-counters.com/5699145-24B8EBEDAA47374020E664A2406FB684/counter.img?theme=7&digits=10&siteId=31017497
http://forever-counters.com/5699145-24B8EBEDAA47374020E664A2406FB684/counter.img?theme=8&digits=10&siteId=31017506
http://forever-counters.com/5699145-24B8EBEDAA47374020E664A2406FB684/counter.img?theme=9&digits=10&siteId=31017507

All content ("Information") contained in this report is the copyrighted work of Threat Expert Ltd and its associated companies ("ThreatExpert") and may not be copied without the express permission of ThreatExpert.

The Information is provided on an "as is" basis. ThreatExpert disclaims all warranties, whether express or implied, to the maximum extent permitted by law, including the implied warranties that the Information is merchantable, of satisfactory quality, accurate, fit for a particular purpose or need, or non-infringing, unless such implied warranties are legally incapable of exclusion. Further, ThreatExpert does not warrant or make any representations regarding the use or the results of the use of the Information in terms of their correctness, accuracy, reliability, or otherwise.