ThreatExpert Report: PWS-Zbot.gen.alg, Trojan:Win32/Urausy.A

Visit ThreatExpert web site

Close Report

Submission Summary:

Submission details:

Submission received: 8 September 2012, 13:19:07
Processing time: 9 min 11 sec
Submitted sample:

File MD5: 0x9FC392709BF770A8D8B1AC06C05E11FC
File SHA-1: 0x3BB02EA32404448DF5F543A219C16A6B40BA374B
Filesize: 82,944 bytes
Alias:

PWS-Zbot.gen.alg [McAfee]
Trojan:Win32/Urausy.A [Microsoft]

Summary of the findings:

What's been found	Severity Level
Downloads/requests other files from Internet.
Creates a startup registry entry.

Technical Details:

The new window was created, as shown below:

NOTICE: The content shown in the above window is captured automatically and is not controlled or endorsed by ThreatExpert.
Please contact us on this link should any material be offensive or inappropriate and we will ensure any such content is blocked from future viewers of the report.

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%AppData%\msconfig.dat [file and pathname of the sample #1]	82,944 bytes	MD5: 0x9FC392709BF770A8D8B1AC06C05E11FC SHA-1: 0x3BB02EA32404448DF5F543A219C16A6B40BA374B	PWS-Zbot.gen.alg [McAfee] Trojan:Win32/Urausy.A [Microsoft]
2	%AppData%\msconfig.ini	4 bytes	MD5: 0x1AD7157E3D5D71C5736F70112F0F099A SHA-1: 0x852AE03A1202FDF6CC7483062B894CD65A55B2A1	(not available)

Note:

%AppData% is a variable that refers to the file system directory that serves as a common repository for application-specific data. A typical path is C:\Documents and Settings\[UserName]\Application Data.

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]	102,400 bytes

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\MediaResources\msvideo
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\MediaResources\msvideo
HKEY_CURRENT_USER\Software\Microsoft\Multimedia\DrawDib

The newly created Registry Values are:

[HKEY_CURRENT_USER\Software\Microsoft\Multimedia\DrawDib]

vga.drv 640x480x32(BGR 0) = "31,31,31,31"

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

shell = "explorer.exe,%AppData%\msconfig.dat"

so that msconfig.dat runs every time Windows starts

Other details

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

http://iatyg.ru/555657555ADE6AF62AFABE605A44B9514F9EB537DD0E570A1C1B
http://aotyt.ru/555657555ADE6AF62AFABE605A44B9514F9EB537DD0E570A1C1B

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.