RDN/YahLover.worm!1D1​A3DD9B604

This page shows details and results of our analysis on the malware RDN/YahLover.worm!1D1A3DD9B604

Overview

Viruses are self-replicating. They are often spread by a network or by transmission to a removable medium such as a removable disk, writable CD, or USB drive. Viruses may also spread by infecting files on a network file system or a file system that is shared by another computer.


Minimum Engine

5600.1067

File Length

463322

Description Added

2013-12-09

Description Modified

2013-12-09

Malware Proliferation

Characteristics

This is a Virus

File PropertiesProperty Values
McAfee DetectionRDN/YahLover.worm
Length463322 bytes
MD51d1a3dd9b604bb180d3ef579f9171edc
SHA121fd08d9c58c44cf623f17c728ec121d732e9cfb


Other Common Detection Aliases

Company NamesDetection Names
aviraW32/Patched.Ren.Gen Windows
KasperskyIM-Worm.Win32.Sohanad.gen
SymantecBloodhound.Malautoit

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


ActivitiesRisk Levels
Enumerates many system files and directories.Low
Displays systray popupsLow
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaRDN/YahLover.worm
McAfee SupportedRDN/YahLover.worm



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:

21FD08D9C58C44CF623F17C728EC121D732E9CFB

The following files have been added to the system:

  • %WINDIR%\SYSTEM32\1.ico
  • %WINDIR%\SYSTEM32\ie.ico
  • %USERPROFILE%\Favorites\.lnk

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

  • %TEMP%\aut8.tmp
  • %TEMP%\autD.tmp
  • %TEMP%\autE.tmp
  • %TEMP%\aut9.tmp
  • %TEMP%\autA.tmp
  • %TEMP%\autB.tmp
  • %TEMP%\autF.tmp
  • %WINDIR%\SYSTEM32\1.reg
  • %TEMP%\autC.tmp

The following registry elements have been created:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXT\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXT\STATS\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXT\STATS\{95CA782F-62CE-4BB9-B3BC-F02C08861A5B}\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXT\STATS\{95CA782F-62CE-4BB9-B3BC-F02C08861A5B}\IEXPLORE\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\INTERNET EXPLORER\EXTENSIONS\{95CA782F-62CE-4BB9-B3BC-F02C08861A5B}\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\INTERNET EXPLORER\EXTENSIONS\{FB5F1910-F110-11D2-BB9E-00C04F795683}\

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\EXTENSIONS\CMDMAPPING\{95CA782F-62CE-4BB9-B3BC-F02C08861A5B} = 8194
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\EXTENSIONS\CMDMAPPING\{FB5F1910-F110-11D2-BB9E-00C04F795683} = 8193
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXT\STATS\{95CA782F-62CE-4BB9-B3BC-F02C08861A5B}\IEXPLORE\COUNT = 445
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXT\STATS\{95CA782F-62CE-4BB9-B3BC-F02C08861A5B}\IEXPLORE\TIME = [binary data]
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXT\STATS\{95CA782F-62CE-4BB9-B3BC-F02C08861A5B}\IEXPLORE\TYPE = 4
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\INTERNET EXPLORER\EXTENSIONS\{95CA782F-62CE-4BB9-B3BC-F02C08861A5B}\BUTTONTEXT = 999Q@W'YhQ
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\INTERNET EXPLORER\EXTENSIONS\{95CA782F-62CE-4BB9-B3BC-F02C08861A5B}\CLSID = {1FBA04EE-3024-11d2-8F1F-0000F87ABD16}
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\INTERNET EXPLORER\EXTENSIONS\{95CA782F-62CE-4BB9-B3BC-F02C08861A5B}\DEFAULT VISIBLE = Yes
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\INTERNET EXPLORER\EXTENSIONS\{95CA782F-62CE-4BB9-B3BC-F02C08861A5B}\EXEC = http://www.999w.com
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\INTERNET EXPLORER\EXTENSIONS\{95CA782F-62CE-4BB9-B3BC-F02C08861A5B}\HOTICON = %WINDIR%\SYSTEM32\ie.ico
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\INTERNET EXPLORER\EXTENSIONS\{95CA782F-62CE-4BB9-B3BC-F02C08861A5B}\ICON = %WINDIR%\SYSTEM32\ie.ico
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\INTERNET EXPLORER\EXTENSIONS\{FB5F1910-F110-11D2-BB9E-00C04F795683}\BUTTONTEXT = [binary data]
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\INTERNET EXPLORER\EXTENSIONS\{FB5F1910-F110-11D2-BB9E-00C04F795683}\CLSID = {1FBA04EE-3024-11d2-8F1F-0000F87ABD16}
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\INTERNET EXPLORER\EXTENSIONS\{FB5F1910-F110-11D2-BB9E-00C04F795683}\DEFAULT VISIBLE = Yes
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\INTERNET EXPLORER\EXTENSIONS\{FB5F1910-F110-11D2-BB9E-00C04F795683}\EXEC = http://baidu.999w.com
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\INTERNET EXPLORER\EXTENSIONS\{FB5F1910-F110-11D2-BB9E-00C04F795683}\HOTICON = \WINDOWS\SYSTEM32\1.ico
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\INTERNET EXPLORER\EXTENSIONS\{FB5F1910-F110-11D2-BB9E-00C04F795683}\ICON = \WINDOWS\SYSTEM32\1.ico

Symptoms

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

Method of Infection

Viruses are self-replicating. They are often spread by a network or by transmission to a removable medium such as a removable disk, writable CD, or USB drive. Viruses may also spread by infecting files on a network file system or a file system that is shared by another computer.

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