RDN/Generic PWS.y!uy!3202E3B41AF1

This page shows details and results of our analysis on the malware RDN/Generic PWS.y!uy!3202E3B41AF1

Overview

This is a Trojan detection. Unlike viruses, Trojans do not self-replicate. They are spread manually, often under the premise that they are beneficial or wanted. The most common installation methods involve system or security exploitation, and unsuspecting users manually executing unknown programs. Distribution channels include e-mail, malicious or hacked Web pages, Internet Relay Chat (IRC), peer-to-peer networks, etc.


Minimum DAT

7215 (2013-10-01)

Updated DAT

7215 (2013-10-01)

Minimum Engine

5600.1067

File Length

299008

Description Added

2013-10-02

Description Modified

2013-10-02

Malware Proliferation

Characteristics

This is a Trojan

File PropertiesProperty Values
McAfee DetectionRDN/Generic PWS.y!uy
Length299008 bytes
MD53202e3b41af1afa9879fa650a0d23a6f
SHA1b956245bd0cafca95cea8b990cc8beb2abdb5431


Other Common Detection Aliases

Company NamesDetection Names
AVG (GriSoft)Crypt2.BJLT
KasperskyTrojan-PSW.Win32.Tepfer.qsob
EsetWin32/Kryptik.BLOX

Other brands and names may be claimed as the property of others.


ActivitiesRisk Levels
Attempts to load and execute remote code in explorer processHigh
Attempts to write to a memory location of a protected process.High
Attempts to write to a memory location of a Windows system processHigh
Attempts to load and execute remote code in a previously loaded processMedium
Enumerates many system files and directories.Low
Enumerates process listLow
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaRDN/Generic PWS.y!uy
McAfee SupportedRDN/Generic PWS.y!uy



System Changes

Some path values have been replaced with environment variables as the exact location may vary with different configurations.
e.g.
%WINDIR% = \WINDOWS (Windows 9x/ME/XP/Vista/7), \WINNT (Windows NT/2000)
%PROGRAMFILES% = \Program Files


The following files were analyzed:

B956245BD0CAFCA95CEA8B990CC8BEB2ABDB5431

The following files have been added to the system:

  • %ALLUSERSPROFILE%\Application Data\udblod.dat

The following files were temporarily written to disk then later removed:

  • %TEMP%\tsiztmy.bat

The following registry elements have been created:

  • HKEY_CURRENT_USER\SOFTWARE\APPDATALOW\
  • HKEY_CURRENT_USER\SOFTWARE\APPDATALOW\{6A242FA9-6131-4301-8445-6E913ED71438}\
  • HKEY_CURRENT_USER\SOFTWARE\APPDATALOW\{73C66E5E-48BD-4DD6-A9DC-3C0C1A2D7B60}\
  • HKEY_LOCAL_MACHINE\SOFTWARE\POLICIES\MICROSOFT\WINDOWS\SAFER\CODEIDENTIFIERS\0\PATHS\
  • HKEY_LOCAL_MACHINE\SOFTWARE\POLICIES\MICROSOFT\WINDOWS\SAFER\CODEIDENTIFIERS\0\PATHS\{66601328-0DC7-48F6-8C76-204351AB4FED}\

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\APPDATALOW\{73C66E5E-48BD-4DD6-A9DC-3C0C1A2D7B60}\{37EF28FA-4C23-407D-87DD-4AAC64E565EC} = 1324843872
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\MAIN\NOPROTECTEDMODEBANNER = 1
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\MAIN\TABPROCGROWTH = 0
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.386\OPENWITHPROGIDS\VXDFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.AIF\OPENWITHPROGIDS\AIFFFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.AIFC\OPENWITHPROGIDS\AIFFFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.AIFF\OPENWITHPROGIDS\AIFFFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.ASF\OPENWITHPROGIDS\ASFFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.ASX\OPENWITHPROGIDS\ASXFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.AU\OPENWITHPROGIDS\AUFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.AVI\OPENWITHPROGIDS\AVIFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.BMP\OPENWITHPROGIDS\PAINT.PICTURE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.CDA\OPENWITHPROGIDS\CDAFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.CHK\OPENWITHPROGIDS\CHKFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.CSS\OPENWITHPROGIDS\CSSFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.DIB\OPENWITHPROGIDS\PAINT.PICTURE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.DOC\OPENWITHPROGIDS\WORD.DOCUMENT.8
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.DOT\OPENWITHPROGIDS\WORD.TEMPLATE.8
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.EMF\OPENWITHPROGIDS\EMFFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.EML\OPENWITHPROGIDS\MICROSOFT INTERNET MAIL MESSAGE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.GIF\OPENWITHPROGIDS\GIFFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.HTM\OPENWITHPROGIDS\HTMLFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.HTML\OPENWITHPROGIDS\HTMLFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.ICO\OPENWITHPROGIDS\ICOFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.IVF\OPENWITHPROGIDS\IVFFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.JFIF\OPENWITHPROGIDS\PJPEGFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.JPE\OPENWITHPROGIDS\JPEGFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.JPEG\OPENWITHPROGIDS\JPEGFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.JPG\OPENWITHPROGIDS\JPEGFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.M1V\OPENWITHPROGIDS\MPEGFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.M3U\OPENWITHPROGIDS\M3UFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.MHT\OPENWITHPROGIDS\MHTMLFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.MHTML\OPENWITHPROGIDS\MHTMLFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.MID\OPENWITHPROGIDS\MIDFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.MIDI\OPENWITHPROGIDS\MIDFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.MP2\OPENWITHPROGIDS\MPEGFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.MP2V\OPENWITHPROGIDS\MPEGFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.MP3\OPENWITHPROGIDS\MP3FILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.MPA\OPENWITHPROGIDS\MPEGFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.MPE\OPENWITHPROGIDS\MPEGFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.MPEG\OPENWITHPROGIDS\MPEGFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.MPG\OPENWITHPROGIDS\MPEGFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.MPV2\OPENWITHPROGIDS\MPEGFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.NWS\OPENWITHPROGIDS\MICROSOFT INTERNET NEWS MESSAGE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.OBD\OPENWITHPROGIDS\OFFICE.BINDER.9
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.OBT\OPENWITHPROGIDS\OFFICE.BINDER.TEMPLATE.9
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.OCX\OPENWITHPROGIDS\OCXFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.PNG\OPENWITHPROGIDS\PNGFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.POT\OPENWITHPROGIDS\POWERPOINT.TEMPLATE.8
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.PPT\OPENWITHPROGIDS\POWERPOINT.SHOW.8
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.RMI\OPENWITHPROGIDS\MIDFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.RTF\OPENWITHPROGIDS\WORD.RTF.8
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.SND\OPENWITHPROGIDS\AUFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.TIF\OPENWITHPROGIDS\MSPAPER.DOCUMENT
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.TIFF\OPENWITHPROGIDS\MSPAPER.DOCUMENT
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.TXT\OPENWITHPROGIDS\TXTFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.URL\OPENWITHPROGIDS\INTERNETSHORTCUT
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.VXD\OPENWITHPROGIDS\VXDFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.WAV\OPENWITHPROGIDS\SOUNDREC
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.WAX\OPENWITHPROGIDS\WAXFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.WM\OPENWITHPROGIDS\ASFFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.WMA\OPENWITHPROGIDS\WMAFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.WMF\OPENWITHPROGIDS\WMFFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.WMV\OPENWITHPROGIDS\WMVFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.WMX\OPENWITHPROGIDS\ASXFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.WRI\OPENWITHPROGIDS\WRIFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.WVX\OPENWITHPROGIDS\WVXFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.XLS\OPENWITHPROGIDS\EXCEL.SHEET.8
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.XLT\OPENWITHPROGIDS\EXCEL.TEMPLATE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.XML\OPENWITHPROGIDS\XMLFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.XSL\OPENWITHPROGIDS\XSLFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.ZIP\OPENWITHPROGIDS\WINRAR.ZIP
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\INTERNET SETTINGS\ZONES\3\2500 = 3
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\UDBLOD = regsvr32.exe /s "%ALLUSERSPROFILE%\Application Data\udblod.dat"
  • HKEY_LOCAL_MACHINE\SOFTWARE\POLICIES\MICROSOFT\WINDOWS\SAFER\CODEIDENTIFIERS\DEFAULTLEVEL = 262144
  • HKEY_LOCAL_MACHINE\SOFTWARE\POLICIES\MICROSOFT\WINDOWS\SAFER\CODEIDENTIFIERS\POLICYSCOPE = 0
  • HKEY_LOCAL_MACHINE\SOFTWARE\POLICIES\MICROSOFT\WINDOWS\SAFER\CODEIDENTIFIERS\TRANSPARENTENABLED = 1
  • HKEY_LOCAL_MACHINE\SOFTWARE\POLICIES\MICROSOFT\WINDOWS\SAFER\CODEIDENTIFIERS\0\PATHS\{66601328-0DC7-48F6-8C76-204351AB4FED}\ITEMDATA = %PROGRAMFILES%\McAfee
  • HKEY_LOCAL_MACHINE\SOFTWARE\POLICIES\MICROSOFT\WINDOWS\SAFER\CODEIDENTIFIERS\0\PATHS\{66601328-0DC7-48F6-8C76-204351AB4FED}\SAFERFLAGS = 0

Symptoms

This symptoms of this detection are the files, registry, and network communication referenced in the characteristics section.

Method of Infection

Trojans do not self-replicate. They are spread manually, often under the premise that the executable is something beneficial. Distribution channels include IRC, peer-to-peer networks, newsgroup postings, e-mail, etc.

Removal

Please use the following instructions for all supported versions of Windows:


1. Disable Windows System Restore. For instructions, please refer to: http://www.mcafee.com/us/downloads/free-tools/disabling-system-restore.aspx

2. Update your McAfee Anti-Virus product to the latest version (when possible), and ensure the latest DAT and Engine and any applicable EXTRA.DATs are installed.

3. Run a full system scan. (On-Demand Scan)

4. Reboot, as soon as it is convenient, to ensure all malicious components are removed.

Variants