Virus Profile: W32/Sytro.worm.gen!p2p!C855EE2D833F

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 2/1/2013
Date Added: 2/1/2013
Origin: Unknown
Length: 60260
Type: Virus
Subtype: Win32
DAT Required: 6972
Removal Instructions
   
 
 
   

Description

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.

Indication of Infection

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

Methods 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.

   

Virus Characteristics

This is a Virus

File PropertiesProperty Values
McAfee DetectionW32/Sytro.worm.gen!p2p
Length60260 bytes
MD5c855ee2d833fba7ed9cb4f6d1013d9c2
SHA1a38a2613f53dfa1f6d2486b6ed710483799d637f


Other Common Detection Aliases

Company NamesDetection Names
avastWin32:Sytro-AC [Wrm]
AVG (GriSoft)Worm/Generic2.CJKD
aviraWorm/Systro.J
KasperskyP2P-Worm.Win32.Sytro.j
BitDefenderWorm.Generic.389275
clamavPUA.Win32.Packer.UpxProtector
Dr.WebWin32.HLLW.Sytro
F-ProtW32/Sytro.J@p2p
FortiNetW32/Sytro.J!worm.p2p
MicrosoftWorm:Win32/Soltern.L
SymantecW32.HLLW.Electron
EsetWin32/Soltern.L worm
normanSB/Malware
pandaGeneric Worm
SophosW32/Systro-J
Trend MicroWORM_SYTRO.J
vba32Worm.Sytro.O
V-BusterWorm.P2P.Sytro!b5rf/SS4Pxo
Vet (Computer Associates)Win32/Detox.A

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


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


McAfee ScansScan Detections
McAfee BetaW32/Sytro.worm.gen!p2p
McAfee SupportedW32/Sytro.worm.gen!p2p



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:

A38A2613F53DFA1F6D2486B6ED7[private subnet]F

The following files have been added to the system:

  • %TEMP%\DSL Modem Uncapper.exe
  • %TEMP%\Macromedia Flash 5.0 Full Downloader.exe
  • %TEMP%\Cat Attacks Child Full Downloader.exe
  • %TEMP%\Britney spears nude.exe
  • %TEMP%\Battle.net key generator (WORKS!!).exe
  • %TEMP%\Zidane-ScreenInstaler.exe
  • %TEMP%\Quake 4 BETA.exe
  • %TEMP%\Macromedia key generator (all products).exe
  • %TEMP%\PS1 Boot Disc Full Dwonloader.exe
  • %TEMP%\Gladiator FullDownloader.exe
  • %TEMP%\Windows XP Full Downloader.exe
  • %TEMP%\Warcraft 3 ONLINE key generator.exe
  • %TEMP%\DivX.exe
  • %TEMP%\Windows XP serial generator.exe
  • %TEMP%\Sony Play station boot disc - Downloader.exe
  • %TEMP%\Winrar + crack.exe
  • %TEMP%\Microsoft key generator, works for ALL microsoft products!!.exe
  • %TEMP%\Warcraft 3 battle.net serial generator.exe
  • %TEMP%\[DiVX] Lord of The Rings Full Downloader.exe
  • %TEMP%\MoviezChannelsInstaler.exe
  • %TEMP%\Hack into any computer!!.exe
  • %WINDIR%\dextor32.exe
  • %TEMP%\MSN Password Hacker and Stealer.exe
  • %TEMP%\StarWars2 - CloneAttack - FullDownloader.exe
  • %TEMP%\Star Wars Episode 2 - Attack Of The Clones Full Downloader.exe
  • %TEMP%\ZoneAlarm Firewall Full Downloader.exe
  • %TEMP%\[DiVX] Harry Potter And The Sorcerors Stone Full Downloader.exe
  • %TEMP%\Spiderman FullDownloader.exe
  • %TEMP%\CKY3 - Bam Margera World Industries Alien Workshop Full Downloader.exe
  • %TEMP%\Jenna Jameson - Built For Speed Downloader.exe
  • %TEMP%\AikaQuest3Hentai FullDownloader.exe
  • %TEMP%\KaZaA media desktop v2.0 UNOFFICIAL.exe
  • %TEMP%\LordOfTheRings-FullDownloader.exe
  • %TEMP%\GTA3 crack.exe
  • %TEMP%\Half-life WON key generator.exe
  • %TEMP%\Hacking Tool Collection.exe
  • %TEMP%\Half-life ONLINE key generator.exe
  • %TEMP%\Key generator for all windows XP versions.exe
  • %TEMP%\How To Hack Websites.exe
  • %TEMP%\Star wars episode 2 downloader.exe
  • %TEMP%\Windows XP key generator.exe
  • %TEMP%\Grand theft auto 3 CD1 crack.exe
  • %TEMP%\SIMS FullDownloader.exe
  • %TEMP%\AIM Account Stealer Downloader.exe
  • %TEMP%\Winzip 8.0 + serial.exe
  • %TEMP%\Microsoft Windows XP crack pack.exe
  • %TEMP%\Borland Delphi 6 Key Generator.exe
  • %TEMP%\Shakira FullDownloader.exe
  • %TEMP%\ScaryMovie 2 Full Downloader.exe
  • %TEMP%\Internet and Computer Speed Booster.exe
  • %TEMP%\Xbox.info.exe

The following registry elements have been created:

  • HKEY_LOCAL_MACHINE\SOFTWARE\HP710C\

   

All Users:

Please use the following instructions for all supported versions of Windows to remove threats and other potential risks:

1.Disable System Restore .

2.Update to current engine and DAT files for detection and removal.

3.Run a complete system scan.

Modifications made to the system Registry and/or INI files for the purposes of hooking system startup, will be successfully removed if cleaning with the recommended engine and DAT combination (or higher).

1. Please go to the Microsoft Recovery Console and restore a clean MBR.

On windows XP:

Insert the Windows XP CD into the CD-ROM drive and restart the computer.
When the "Welcome to Setup" screen appears, press R to start the Recovery Console.
Select the Windows installation that is compromised and provide the administrator password
Issue 'fixmbr' command to restore the Master Boot Record
Follow onscreen instructions
Reset and remove the CD from CD-ROM drive.


On Windows Vista and 7:

Insert the Windows CD into the CD-ROM drive and restart the computer.
Click on "Repair Your Computer"
When the System Recovery Options dialog comes up, choose the Command Prompt.
Issue 'bootrec /fixmbr' command to restore the Master Boot Record
Follow onscreen instructions
Reset and remove the CD from CD-ROM drive.

   

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