ALIASES:

Worm:Win32/Soltern.L (Microsoft); W32/Sytro.worm.gen!p2p (McAfee); W32.HLLW.Electron (Symantec); P2P-Worm.Win32.Sytro.o (Kaspersky); BehavesLike.Win32.Malware.tsc (mx-v) (Sunbelt); Worm/Generic2.CJKD (AVG)

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:

  • Threat Type: Worm

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This worm arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  TECHNICAL DETAILS

File Size: 57,984 bytes
File Type: EXE
Memory Resident: No
Initial Samples Received Date: 08 Jun 2013

Arrival Details

This worm arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Installation

This worm drops the following copies of itself into the affected system:

  • %Temp%\Star Wars Episode 2 - Attack Of The Clones Full Downloader.exe
  • %Temp%\Jenna Jameson - Built For Speed Downloader.exe
  • %Temp%\[DiVX] Lord of The Rings Full Downloader.exe
  • %Temp%\[DiVX] Harry Potter And The Sorcerors Stone Full Downloader.exe
  • %Temp%\CKY3 - Bam Margera World Industries Alien Workshop Full Downloader.exe
  • %Temp%\Cat Attacks Child Full Downloader.exe
  • %Temp%\PS1 Boot Disc Full Dwonloader.exe
  • %Temp%\Sony Play station boot disc - Downloader.exe
  • %Temp%\How To Hack Websites.exe
  • %Temp%\AIM Account Stealer Downloader.exe
  • %Temp%\MSN Password Hacker and Stealer.exe
  • %Temp%\Hacking Tool Collection.exe
  • %Temp%\Windows XP Full Downloader.exe
  • %Temp%\Macromedia Flash 5.0 Full Downloader.exe
  • %Temp%\DSL Modem Uncapper.exe
  • %Temp%\Internet and Computer Speed Booster.exe
  • %Temp%\ZoneAlarm Firewall Full Downloader.exe
  • %Temp%\Borland Delphi 6 Key Generator.exe
  • %Temp%\ScaryMovie 2 Full Downloader.exe
  • %Temp%\StarWars2 - CloneAttack - FullDownloader.exe
  • %Temp%\Spiderman FullDownloader.exe
  • %Temp%\Shakira FullDownloader.exe
  • %Temp%\Gladiator FullDownloader.exe
  • %Temp%\AikaQuest3Hentai FullDownloader.exe
  • %Temp%\MoviezChannelsInstaler.exe
  • %Temp%\Zidane-ScreenInstaler.exe
  • %Temp%\LordOfTheRings-FullDownloader.exe
  • %Temp%\SIMS FullDownloader.exe
  • %Temp%\Britney spears nude.exe
  • %Temp%\Quake 4 BETA.exe
  • %Temp%\Windows XP key generator.exe
  • %Temp%\Windows XP serial generator.exe
  • %Temp%\Xbox.info.exe
  • %Temp%\DivX.exe
  • %Temp%\GTA3 crack.exe
  • %Temp%\Battle.net key generator (WORKS!!).exe
  • %Temp%\Warcraft 3 battle.net serial generator.exe
  • %Temp%\Half-life WON key generator.exe
  • %Temp%\Star wars episode 2 downloader.exe
  • %Temp%\Winzip 8.0 + serial.exe
  • %Temp%\Winrar + crack.exe
  • %Temp%\Key generator for all windows XP versions.exe
  • %Temp%\Warcraft 3 ONLINE key generator.exe
  • %Temp%\Half-life ONLINE key generator.exe
  • %Temp%\Grand theft auto 3 CD1 crack.exe
  • %Temp%\Macromedia key generator (all products).exe
  • %Temp%\KaZaA media desktop v2.0 UNOFFICIAL.exe
  • %Temp%\Microsoft key generator, works for ALL microsoft products!!.exe
  • %Temp%\Microsoft Windows XP crack pack.exe
  • %Temp%\Hack into any computer!!.exe
  • %Windows%\driv64.exe

(Note: %Temp% is the Windows Temporary folder, which is usually C:\Windows\Temp.. %Windows% is the Windows folder, which is usually C:\Windows.)

Other System Modifications

This worm adds the following registry keys:

HKEY_LOCAL_MACHINE\Software\HP710B

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine: 9.300

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Delete this registry key

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_LOCAL_MACHINE\Software
    • HP710B

Step 3

Scan your computer with your Trend Micro product to delete files detected as WORM_SYTRO.O. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.


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