ThreatExpert Report: Trojan.Win32.Pakes.lnh, Virus.Win32.Virut.au, Trojan:Win32/FakePowav..

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Submission Summary:

Submission details:

Submission received: 5 November 2008, 08:03:37
Processing time: 7 min 44 sec
Submitted sample:

File MD5: 0x3AFA7317929F788C4C2D12BF4A96DDE2
File SHA-1: 0x97A983725E6B7FD8321FE5153F7095E071EB93D3
Filesize: 108,204 bytes
Alias:

Trojan.Win32.Pakes.lnh [Kaspersky Lab]
Virus.Win32.Virut.au [Ikarus]

Summary of the findings:

What's been found	Severity Level
Downloads/requests other files from Internet.
Modifies some system settings that may have negative impact on overall system security state.
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

Attention! Characteristics of the following security risk was identified in the system:

Security Risk	Description
Trojan-Downloader.Small.BMK	Trojan-Downloader.Small.BMK is a trojan that attempts to download from a website in hopes to put another malicious file in the affected system

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	%DesktopDir%\AntivirusPro2009.lnk %Programs%\AntivirusPro2009\AntivirusPro2009.lnk	1,443 bytes	MD5: 0xDE02976849D9D27CAFF03E086DF9E43B SHA-1: 0x464AAD99BADEF3491B5255E6D402DEE989E331E3	(not available)
2	%Temp%\brastk.exe	9,728 bytes	MD5: 0x63648816F3629F6AB2C33A78C04C3BAE SHA-1: 0x638B2128B40F2899501D466677270961427D975A	Trojan:Win32/FakePowav [Microsoft]
3	%Temp%\delself.bat	104 bytes	MD5: 0x2DA95AB24796192DEB5B3EFF7C9FD064 SHA-1: 0x07C020F137A77D08A573FEE5FF165B0D934651E8	(not available)
4	%Temp%\wini10491.exe %ProgramFiles%\AntivirusPro2009\Uninstall.exe	125,883 bytes	MD5: 0xF9915A755479C2659AA86A1475BAB4DE SHA-1: 0x8ED4ED37FF737F8A58E405A650D9A3A2E6D1804C	AntiVirus2009 [Symantec] Trojan.Win32.Pakes.lnh [Kaspersky Lab] TrojanDownloader:Win32/FakeRean [Microsoft] Virus.Win32.Virut.au [Ikarus]
5	%Programs%\AntivirusPro2009\Uninstall.lnk	1,593 bytes	MD5: 0x2D4EC74689F280675032BA7C1434222A SHA-1: 0xB966BF90A6CF874E01E4DD9E592B5645F42134E8	(not available)
6	[file and pathname of the sample #1]	108,204 bytes	MD5: 0x3AFA7317929F788C4C2D12BF4A96DDE2 SHA-1: 0x97A983725E6B7FD8321FE5153F7095E071EB93D3	Trojan.Win32.Pakes.lnh [Kaspersky Lab] Virus.Win32.Virut.au [Ikarus]
7	%System%\wini10491.exe	0 bytes	MD5: 0xD41D8CD98F00B204E9800998ECF8427E SHA-1: 0xDA39A3EE5E6B4B0D3255BFEF95601890AFD80709	(not available)

Notes:

%DesktopDir% is a variable that refers to the file system directory used to physically store file objects on the desktop. A typical path is C:\Documents and Settings\[UserName]\Desktop.
%Programs% is a variable that refers to the file system directory that contains the user's program groups. A typical path is C:\Documents and Settings\[UserName]\Start Menu\Programs.
%Temp% is a variable that refers to the temporary folder in the short path form. By default, this is C:\Documents and Settings\[UserName]\Local Settings\Temp\ (Windows NT/2000/XP).
%ProgramFiles% is a variable that refers to the Program Files folder. A typical path is C:\Program Files.
%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:

%Programs%\AntivirusPro2009
%ProgramFiles%\AntivirusPro2009

Memory Modifications

There were new processes created in the system:

Process Name	Process Filename	Main Module Size
wini10491.exe	%Temp%\wini10491.exe	155,648 bytes
brastk.exe	%Temp%\brastk.exe	28,672 bytes

Registry Modifications

The following Registry Key was created:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\AntivirusPro2009

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0]

1208 = 0x00000000
2500 = 0x00000003

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1]

1208 = 0x00000000
2500 = 0x00000003

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2]

1208 = 0x00000000
2500 = 0x00000003

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3]

1208 = 0x00000000
2500 = 0x00000003

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4]

1208 = 0x00000000
2500 = 0x00000003

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\AntivirusPro2009]

DisplayName = "Antivirus Pro 2009"
UninstallString = "%ProgramFiles%\AntivirusPro2009\Uninstall.exe"

[HKEY_CURRENT_USER\Control Panel\don't load]

scui.cpl = "No"
wscui.cpl = "No"

[HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main]

Enable Browser Extensions = "yes"
Search Bar = "http://www.google.com/ie"

[HKEY_CURRENT_USER\Software\Microsoft\Security Center]

AntiVirusDisableNotify = 0x00000001
FirewallDisableNotify = 0x00000001
UpdatesDisableNotify = 0x00000001

to disable notification of firewall, antivirus and/or update status through the Windows Security Center

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer]

ForceClassicControlPanel = 0x00000001

The following Registry Values were modified:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main]

Default_Search_URL = "http://www.google.com/ie"
Search Page = "http://www.google.com"
Start Page = "http://www.google.com"

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Search]

SearchAssistant = "http://www.google.com"

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0]

1201 = 0x00000000
1804 = 0x00000001

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1]

1201 = 0x00000000

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2]

1201 = 0x00000000
1804 = 0x00000001

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3]

1201 = 0x00000000

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4]

1200 = 0x00000000
1201 = 0x00000000
1608 = 0x00000000
1804 = 0x00000001

[HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main]

Start Page = "http://www.google.com"
Search Page = "http://www.google.com"

Other details

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

Russian Federation

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

{432780427656663764673647663354632}

The following Internet Connection was established:

Server Name	Server Port	Connect as User	Connection Password
www.google.com	80	(null)	(null)

The following GET requests were made:

index.html
index.jpg

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

http://do-monster-scan.com/
http://do-fixed-progress.com/
http://domanaged-scan.com/
http://do-managedscan.com/
http://domake-progress.com/

The following Internet downloads were started (the retrieved bits are saved into the local file):

URL to be downloaded	Filename for the downloaded bits
http://download-soft-index.com/binary/AntivirusPro2009/Binaries1.cab	%Temp%\wrdwn2
http://download-soft-index.com/binary/BinariesAVE.cab	%Temp%\wrdwn3
http://download-soft-index.com/binary/BinariesAdd.cab	%Temp%\wrdwn4
http://download-soft-index.com/binary/BinariesGUI.cab	%Temp%\wrdwn5
http://download-soft-index.com/binary/BinariesSC.cab	%Temp%\wrdwn6
http://download-soft-index.com/binary/BinariesUpd.cab	%Temp%\wrdwn7
http://do-power-scan.com/?wmid=1049&l=34&it=2&s=1	%System%\wini10491.exe
http://do-step-scan.com/?wmid=1049&l=34&it=2&s=1	%System%\wini10491.exe
http://do-monster-progress.com/?wmid=1049&l=34&it=2&s=1	%System%\wini10491.exe
http://domonster-progress.com/?wmid=1049&l=34&it=2&s=1	%System%\wini10491.exe
http://dopower-scan.com/?wmid=1049&l=34&it=2&s=1	%System%\wini10491.exe
http://dostep-scan.com/?wmid=1049&l=34&it=2&s=1	%System%\wini10491.exe
http://do-monsterscan.com/?wmid=1049&l=34&it=2&s=1	%System%\wini10491.exe
http://do-powerscan.com/?wmid=1049&l=34&it=2&s=1	%System%\wini10491.exe
http://do-stepscan.com/?wmid=1049&l=34&it=2&s=1	%System%\wini10491.exe
http://doscan-progress.com/?wmid=1049&l=34&it=2&s=1	%System%\wini10491.exe
http://do-fixed-progress.com/?wmid=1049&l=34&it=2&s=1	%System%\wini10491.exe
http://domanaged-scan.com/?wmid=1049&l=34&it=2&s=1	%System%\wini10491.exe
http://do-managedscan.com/?wmid=1049&l=34&it=2&s=1	%System%\wini10491.exe
http://domake-progress.com/?wmid=1049&l=34&it=2&s=1	%System%\wini10491.exe

Downloaded File Summary:

Download details:

Download retrieved: 5 November 2008 08:12:42
Processing time: 7 min 27 sec
Downloaded sample:

File MD5: 0x44CD645914E38632BF73FD60E9B2597B
File SHA-1: 0xC6265BD21EEA0F072F429D14F056B18D2B61B36F
Filesize: 142,267 bytes
Alias:

TrojanDownloader:Win32/FakeRean [Microsoft]
Virus.Win32.Virut.au [Ikarus]

Summary of the findings:

What's been found	Severity Level
Downloads/requests other files from Internet.

Technical Details:

The new window was created, as shown below:

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File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%DesktopDir%\AntivirusPro2009.lnk %Programs%\AntivirusPro2009\AntivirusPro2009.lnk	1,443 bytes	MD5: 0xD47EE777AD51845A7B9AC553BD48B57B SHA-1: 0x7756E458DF379E17754FE9B55E9F414F04E558AA	(not available)
2	%Programs%\AntivirusPro2009\Uninstall.lnk	1,593 bytes	MD5: 0x1D99873A7A90ABB94E0C57BDD3BA35D4 SHA-1: 0x7822AF39DCB8A680B312ACF725EEEA898EB4F6BF	(not available)
3	%ProgramFiles%\AntivirusPro2009\Uninstall.exe [file and pathname of the sample #1]	142,267 bytes	MD5: 0x44CD645914E38632BF73FD60E9B2597B SHA-1: 0xC6265BD21EEA0F072F429D14F056B18D2B61B36F	TrojanDownloader:Win32/FakeRean [Microsoft] Virus.Win32.Virut.au [Ikarus]

Notes:

%DesktopDir% is a variable that refers to the file system directory used to physically store file objects on the desktop. A typical path is C:\Documents and Settings\[UserName]\Desktop.
%Programs% is a variable that refers to the file system directory that contains the user's program groups. A typical path is C:\Documents and Settings\[UserName]\Start Menu\Programs.
%ProgramFiles% is a variable that refers to the Program Files folder. A typical path is C:\Program Files.

The following directories were created:

%Programs%\AntivirusPro2009
%ProgramFiles%\AntivirusPro2009

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]	192,512 bytes

Registry Modifications

The following Registry Key was created:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\AntivirusPro2009

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\AntivirusPro2009]

DisplayName = "Antivirus Pro 2009"
UninstallString = "%ProgramFiles%\AntivirusPro2009\Uninstall.exe"

[HKEY_CURRENT_USER\Control Panel\don't load]

scui.cpl = "No"
wscui.cpl = "No"

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer]

ForceClassicControlPanel = 0x00000001

Other details

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

Russian Federation

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

http://do-monster-scan.com/
http://do-fixed-progress.com/
http://domanaged-scan.com/
http://do-managedscan.com/
http://domake-progress.com/

The following Internet downloads were started (the retrieved bits are saved into the local file):

URL to be downloaded	Filename for the downloaded bits
http://download-soft-index.com/binary/AntivirusPro2009/Binaries1.cab	%Temp%\wrdwn2
http://download-soft-index.com/binary/BinariesAVE.cab	%Temp%\wrdwn3
http://download-soft-index.com/binary/BinariesAdd.cab	%Temp%\wrdwn4
http://download-soft-index.com/binary/BinariesGUI.cab	%Temp%\wrdwn5
http://download-soft-index.com/binary/BinariesSC.cab	%Temp%\wrdwn6
http://download-soft-index.com/binary/BinariesUpd.cab	%Temp%\wrdwn7

Notes:

%Temp% is a variable that refers to the temporary folder in the short path form. By default, this is C:\Documents and Settings\[UserName]\Local Settings\Temp\ (Windows NT/2000/XP).

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