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Ransom_FANTOMCRYPT.F117A5

May 02, 2017
 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

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

It disables Task Manager, Registry Editor, and Folder Options.

It deletes itself after execution.

  TECHNICAL DETAILS

File Size:

48,640 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

02 May 2017

Arrival Details

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

Other System Modifications

This Trojan modifies the following file(s):

  • %System Root%\AUTOEXEC.BAT
  • %System Root%\boot.ini
  • %System Root%\CONFIG.SYS
  • %System Root%\IO.SYS
  • %System Root%\MSDOS.SYS
  • %System Root%\NTDETECT.COM
  • %System Root%\ntldr
  • %Start Menu%\desktop.ini
  • %Start Menu%\Programs\desktop.ini
  • %Start Menu%\Programs\Accessories\desktop.ini
  • %Start Menu%\Programs\Accessories\Accessibility\desktop.ini
  • %Start Menu%\Programs\Accessories\Entertainment\desktop.ini
  • %User Profile%\NTUSER.DAT
  • %User Profile%\ntuser.dat.LOG
  • %User Profile%\SendTo\Compressed (zipped) Folder.ZFSendToTarget
  • %User Profile%\SendTo\Mail Recipient.MAPIMail
  • %Start Menu%\Programs\Remote Assistance.lnk
  • %Start Menu%\Programs\Windows Media Player.lnk
  • %Start Menu%\Programs\Accessories\Command Prompt.lnk
  • %Start Menu%\Programs\Accessories\Notepad.lnk
  • %Start Menu%\Programs\Accessories\Program Compatibility Wizard.lnk
  • %Start Menu%\Programs\Accessories\Synchronize.lnk
  • %Start Menu%\Programs\Accessories\Tour Windows XP.lnk
  • %Start Menu%\Programs\Accessories\Windows Explorer.lnk
  • %Start Menu%\Programs\Accessories\Accessibility\Magnifier.lnk
  • %Start Menu%\Programs\Accessories\Accessibility\Narrator.lnk
  • %Start Menu%\Programs\Accessories\Accessibility\On-Screen Keyboard.lnk
  • %Start Menu%\Programs\Accessories\Accessibility\Utility Manager.lnk
  • %Start Menu%\Programs\Accessories\Entertainment\Windows Media Player.lnk
  • %User Startup%\desktop.ini
  • %User Profile%\ntuser.ini
  • %Favorites%\MSN.com.url
  • %Favorites%\Radio Station Guide.url
  • %Favorites%\Links\Customize Links.url
  • %Favorites%\Links\Free Hotmail.url
  • %Favorites%\Links\Windows Marketplace.url
  • %Favorites%\Links\Windows Media.url
  • %Favorites%\Links\Windows.url
  • %Application Data%\GDIPFONTCACHEV1.DAT
  • %User Profile%\SendTo\My Documents.mydocs
  • %Start Menu%\Programs\Internet Explorer.lnk
  • %Start Menu%\Programs\Outlook Express.lnk
  • %Start Menu%\Programs\Accessories\Address Book.lnk

It adds the following registry keys:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
System

It creates the following registry entry(ies) to disable Task Manager, Registry Tools and Folder Options:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
System
DisableTaskMgr = "1"

Dropping Routine

This Trojan drops the following files:

  • %Desktop%.ini
  • %User Profile%\Security\directories.acrodata
  • %User Profile%\Security\README.txt
  • %User Profile%\Replicate\README.txt
  • %User Profile%\10.0\README.txt
  • %User Profile%\Acrobat\README.txt
  • %User Profile%\{AC76BA86-7AD7-1033-7B44-AA0000000001}\ABCPY.INI
  • %User Profile%\{AC76BA86-7AD7-1033-7B44-AA0000000001}\setup.exe
  • %User Profile%\{AC76BA86-7AD7-1033-7B44-AA0000000001}\Setup.ini
  • %User Profile%\{AC76BA86-7AD7-1033-7B44-AA0000000001}\README.txt
  • %User Profile%\Setup\README.txt
  • %User Profile%\Adobe\README.txt
  • %User Profile%\Microsoft\README.txt
  • %User Profile%\Application Data\README.txt
  • %Desktop%\README.txt
  • %User Profile%\My Playlists\README.txt
  • %User Profile%\Sample Music\Beethoven's Symphony No. 9 (Scherzo).wma
  • %User Profile%\Sample Music\New Stories (Highway Blues).wma
  • %User Profile%\Sample Music\README.txt
  • %User Profile%\0008044E\Plylst1.wpl
  • %User Profile%\0008044E\Plylst10.wpl
  • %User Profile%\0008044E\Plylst11.wpl
  • %User Profile%\0008044E\Plylst12.wpl
  • %User Profile%\0008044E\Plylst13.wpl
  • %User Profile%\0008044E\Plylst14.wpl
  • %User Profile%\0008044E\Plylst15.wpl
  • %User Profile%\0008044E\Plylst2.wpl
  • %User Profile%\0008044E\Plylst3.wpl
  • %User Profile%\0008044E\Plylst4.wpl
  • %User Profile%\0008044E\Plylst5.wpl
  • %User Profile%\0008044E\Plylst6.wpl
  • %User Profile%\0008044E\Plylst7.wpl
  • %User Profile%\0008044E\Plylst8.wpl
  • %User Profile%\0008044E\Plylst9.wpl
  • %User Profile%\0008044E\README.txt
  • %User Profile%\Sample Playlists\README.txt
  • %User Profile%\My Music\README.txt
  • %User Profile%\Sample Pictures\Blue hills.jpg
  • %User Profile%\Sample Pictures\Sunset.jpg
  • %User Profile%\Sample Pictures\Water lilies.jpg
  • %User Profile%\Sample Pictures\Winter.jpg
  • %User Profile%\Sample Pictures\README.txt
  • %User Profile%\My Pictures\README.txt
  • %User Profile%\My Videos\README.txt
  • %User Profile%\Documents\README.txt
  • %User Profile%\DRM\drmv2.lic
  • %User Profile%\DRM\drmv2.sst
  • %User Profile%\DRM\README.txt
  • %Favorites%\README.txt
  • %Start Menu%\Set Program Access and Defaults.lnk
  • %Start Menu%\Windows Catalog.lnk
  • %Start Menu%\Windows Update.lnk
  • %Start Menu%\Programs\Adobe Reader X.lnk
  • %Start Menu%\Programs\MSN.lnk
  • %Start Menu%\Programs\Windows Messenger.lnk
  • %Start Menu%\Programs\Windows Movie Maker.lnk
  • %Start Menu%\Programs\Accessories\Calculator.lnk
  • %Start Menu%\Programs\Accessories\Paint.lnk
  • %Start Menu%\Programs\Accessories\WordPad.lnk
  • %Start Menu%\Programs\Accessories\Accessibility\Accessibility Wizard.lnk
  • %Start Menu%\Programs\Accessories\Accessibility\README.txt
  • %Start Menu%\Programs\Accessories\Communications\desktop.ini
  • %Start Menu%\Programs\Accessories\Communications\HyperTerminal.lnk
  • %Start Menu%\Programs\Accessories\Communications\Network Connections.lnk
  • %Start Menu%\Programs\Accessories\Communications\Network Setup Wizard.lnk
  • %Start Menu%\Programs\Accessories\Communications\New Connection Wizard.lnk
  • %Start Menu%\Programs\Accessories\Communications\Remote Desktop Connection.lnk
  • %Start Menu%\Programs\Accessories\Communications\Wireless Network Setup Wizard.lnk
  • %Start Menu%\Programs\Accessories\Communications\README.txt
  • %Start Menu%\Programs\Accessories\Entertainment\Sound Recorder.lnk
  • %Start Menu%\Programs\Accessories\Entertainment\Volume Control.lnk
  • %Start Menu%\Programs\Accessories\Entertainment\README.txt
  • %Start Menu%\Programs\Accessories\System Tools\Backup.lnk
  • %Start Menu%\Programs\Accessories\System Tools\Character Map.lnk
  • %Start Menu%\Programs\Accessories\System Tools\desktop.ini
  • %Start Menu%\Programs\Accessories\System Tools\Disk Cleanup.lnk
  • %Start Menu%\Programs\Accessories\System Tools\Disk Defragmenter.lnk
  • %Start Menu%\Programs\Accessories\System Tools\Files and Settings Transfer Wizard.lnk
  • %Start Menu%\Programs\Accessories\System Tools\Scheduled Tasks.lnk
  • %Start Menu%\Programs\Accessories\System Tools\Security Center.lnk
  • %Start Menu%\Programs\Accessories\System Tools\System Information.lnk
  • %Start Menu%\Programs\Accessories\System Tools\System Restore.lnk
  • %Start Menu%\Programs\Accessories\System Tools\README.txt
  • %Start Menu%\Programs\Accessories\README.txt
  • %Start Menu%\Programs\Administrative Tools\Component Services.lnk
  • %Start Menu%\Programs\Administrative Tools\Computer Management.lnk
  • %Start Menu%\Programs\Administrative Tools\Data Sources (ODBC).lnk
  • %Start Menu%\Programs\Administrative Tools\desktop.ini
  • %Start Menu%\Programs\Administrative Tools\Event Viewer.lnk
  • %Start Menu%\Programs\Administrative Tools\Local Security Policy.lnk
  • %Start Menu%\Programs\Administrative Tools\Performance.lnk
  • %Start Menu%\Programs\Administrative Tools\Services.lnk
  • %Start Menu%\Programs\Administrative Tools\README.txt
  • %Start Menu%\Programs\Games\desktop.ini
  • %Start Menu%\Programs\Games\Freecell.lnk
  • %Start Menu%\Programs\Games\Hearts.lnk
  • %Start Menu%\Programs\Games\Internet Backgammon.lnk
  • %Start Menu%\Programs\Games\Internet Checkers.lnk
  • %Start Menu%\Programs\Games\Internet Hearts.lnk
  • %Start Menu%\Programs\Games\Internet Reversi.lnk
  • %Start Menu%\Programs\Games\Internet Spades.lnk
  • %Start Menu%\Programs\Games\Minesweeper.lnk
  • %Start Menu%\Programs\Games\Pinball.lnk
  • %Start Menu%\Programs\Games\Solitaire.lnk
  • %Start Menu%\Programs\Games\Spider Solitaire.lnk
  • %Start Menu%\Programs\Games\README.txt
  • %Common Startup%\desktop.ini
  • %Common Startup%\README.txt
  • %Start Menu%\Programs\WinPcap\Uninstall WinPcap 4.1.2.lnk
  • %Start Menu%\Programs\WinPcap\WinPcap Web Site.url
  • %Start Menu%\Programs\WinPcap\README.txt
  • %Start Menu%\Programs\README.txt
  • %Start Menu%\README.txt
  • %User Profile%\Templates\README.txt
  • %User Profile%\README.txt
  • %User Profile%\Cookies\index.dat
  • %User Profile%\Cookies\README.txt
  • %Application Data%\Microsoft\README.txt
  • %Application Data%\README.txt
  • %User Profile%\History.IE5\index.dat
  • %User Profile%\History.IE5\README.txt
  • %User Profile%\History\README.txt
  • %User Temp%\README.txt
  • %Temporary Internet Files%\README.txt
  • %User Profile%\Local Settings\README.txt
  • %User Profile%\My Documents\README.txt
  • %User Profile%\NetHood\README.txt
  • %User Profile%\PrintHood\README.txt
  • %User Profile%\Recent\README.txt
  • %Desktop% (create shortcut).DeskLink
  • %User Profile%\SendTo\README.txt
  • %User Startup%\README.txt
  • %Application Data%\FontCache3.0.0.0.dat
  • %User Profile%\{8A24C031-62FE-4BF5-94F0-BFD4FBCD674B}\README.txt
  • %User Profile%\Identities\README.txt
  • %User Profile%\Cookies\wilbert@atdmt[2].txt
  • %User Profile%\Cookies\wilbert@bing[2].txt
  • %User Profile%\Cookies\wilbert@c.atdmt[2].txt
  • %User Profile%\Cookies\wilbert@c.msn[2].txt
  • %User Profile%\Cookies\wilbert@doubleclick[1].txt
  • %User Profile%\Cookies\wilbert@microsoft[1].txt
  • %User Profile%\Cookies\wilbert@msnportal.112.2o7[1].txt
  • %User Profile%\Cookies\wilbert@msn[2].txt
  • %User Profile%\Cookies\wilbert@scorecardresearch[2].txt
  • %User Profile%\Cookies\wilbert@www.bing[2].txt
  • %User Profile%\Cookies\wilbert@www.msn[1].txt
  • %Favorites%\Links\README.txt
  • %User Profile%\MSHist012013061320130614\index.dat
  • %User Profile%\MSHist012013061320130614\README.txt
  • %User Profile%\My Music\Sample Music.lnk
  • %User Profile%\My Pictures\Sample Pictures.lnk
  • %System Root%\Documents and Settings\README.txt
  • %Program Files%\README.txt
  • %Windows%\README.txt
  • %System Root%\Users\Wilbert\2d5s8g4ed.jpg
  • %User Profile%\Application Data\delback.bat
  • %System Root%\update.bat

Other Details

This Trojan connects to the following possibly malicious URL:

  • {BLOCKED}.195.78
  • {BLOCKED}66.31

It deletes itself after execution.

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine:

9.8

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

Enable Registry Editor, Task Manager, and Folder options

[ Learn More ]
By doing this step, you also enable other applications/programs disabled by this malware/grayware/spyware.

Step 3

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_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies
    • System

Step 4

Search and delete these components

[ Learn More ]
There may be some components that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
  • %Desktop%.ini
  • %User Profile%\Security\directories.acrodata
  • %User Profile%\Security\README.txt
  • %User Profile%\Replicate\README.txt
  • %User Profile%\10.0\README.txt
  • %User Profile%\Acrobat\README.txt
  • %User Profile%\{AC76BA86-7AD7-1033-7B44-AA0000000001}\ABCPY.INI
  • %User Profile%\{AC76BA86-7AD7-1033-7B44-AA0000000001}\setup.exe
  • %User Profile%\{AC76BA86-7AD7-1033-7B44-AA0000000001}\Setup.ini
  • %User Profile%\{AC76BA86-7AD7-1033-7B44-AA0000000001}\README.txt
  • %User Profile%\Setup\README.txt
  • %User Profile%\Adobe\README.txt
  • %User Profile%\Microsoft\README.txt
  • %User Profile%\Application Data\README.txt
  • %Desktop%\README.txt
  • %User Profile%\My Playlists\README.txt
  • %User Profile%\Sample Music\Beethoven's Symphony No. 9 (Scherzo).wma
  • %User Profile%\Sample Music\New Stories (Highway Blues).wma
  • %User Profile%\Sample Music\README.txt
  • %User Profile%\0008044E\Plylst1.wpl
  • %User Profile%\0008044E\Plylst10.wpl
  • %User Profile%\0008044E\Plylst11.wpl
  • %User Profile%\0008044E\Plylst12.wpl
  • %User Profile%\0008044E\Plylst13.wpl
  • %User Profile%\0008044E\Plylst14.wpl
  • %User Profile%\0008044E\Plylst15.wpl
  • %User Profile%\0008044E\Plylst2.wpl
  • %User Profile%\0008044E\Plylst3.wpl
  • %User Profile%\0008044E\Plylst4.wpl
  • %User Profile%\0008044E\Plylst5.wpl
  • %User Profile%\0008044E\Plylst6.wpl
  • %User Profile%\0008044E\Plylst7.wpl
  • %User Profile%\0008044E\Plylst8.wpl
  • %User Profile%\0008044E\Plylst9.wpl
  • %User Profile%\0008044E\README.txt
  • %User Profile%\Sample Playlists\README.txt
  • %User Profile%\My Music\README.txt
  • %User Profile%\Sample Pictures\Blue hills.jpg
  • %User Profile%\Sample Pictures\Sunset.jpg
  • %User Profile%\Sample Pictures\Water lilies.jpg
  • %User Profile%\Sample Pictures\Winter.jpg
  • %User Profile%\Sample Pictures\README.txt
  • %User Profile%\My Pictures\README.txt
  • %User Profile%\My Videos\README.txt
  • %User Profile%\Documents\README.txt
  • %User Profile%\DRM\drmv2.lic
  • %User Profile%\DRM\drmv2.sst
  • %User Profile%\DRM\README.txt
  • %Favorites%\README.txt
  • %Start Menu%\Set Program Access and Defaults.lnk
  • %Start Menu%\Windows Catalog.lnk
  • %Start Menu%\Windows Update.lnk
  • %Start Menu%\Programs\Adobe Reader X.lnk
  • %Start Menu%\Programs\MSN.lnk
  • %Start Menu%\Programs\Windows Messenger.lnk
  • %Start Menu%\Programs\Windows Movie Maker.lnk
  • %Start Menu%\Programs\Accessories\Calculator.lnk
  • %Start Menu%\Programs\Accessories\Paint.lnk
  • %Start Menu%\Programs\Accessories\WordPad.lnk
  • %Start Menu%\Programs\Accessories\Accessibility\Accessibility Wizard.lnk
  • %Start Menu%\Programs\Accessories\Accessibility\README.txt
  • %Start Menu%\Programs\Accessories\Communications\desktop.ini
  • %Start Menu%\Programs\Accessories\Communications\HyperTerminal.lnk
  • %Start Menu%\Programs\Accessories\Communications\Network Connections.lnk
  • %Start Menu%\Programs\Accessories\Communications\Network Setup Wizard.lnk
  • %Start Menu%\Programs\Accessories\Communications\New Connection Wizard.lnk
  • %Start Menu%\Programs\Accessories\Communications\Remote Desktop Connection.lnk
  • %Start Menu%\Programs\Accessories\Communications\Wireless Network Setup Wizard.lnk
  • %Start Menu%\Programs\Accessories\Communications\README.txt
  • %Start Menu%\Programs\Accessories\Entertainment\Sound Recorder.lnk
  • %Start Menu%\Programs\Accessories\Entertainment\Volume Control.lnk
  • %Start Menu%\Programs\Accessories\Entertainment\README.txt
  • %Start Menu%\Programs\Accessories\System Tools\Backup.lnk
  • %Start Menu%\Programs\Accessories\System Tools\Character Map.lnk
  • %Start Menu%\Programs\Accessories\System Tools\desktop.ini
  • %Start Menu%\Programs\Accessories\System Tools\Disk Cleanup.lnk
  • %Start Menu%\Programs\Accessories\System Tools\Disk Defragmenter.lnk
  • %Start Menu%\Programs\Accessories\System Tools\Files and Settings Transfer Wizard.lnk
  • %Start Menu%\Programs\Accessories\System Tools\Scheduled Tasks.lnk
  • %Start Menu%\Programs\Accessories\System Tools\Security Center.lnk
  • %Start Menu%\Programs\Accessories\System Tools\System Information.lnk
  • %Start Menu%\Programs\Accessories\System Tools\System Restore.lnk
  • %Start Menu%\Programs\Accessories\System Tools\README.txt
  • %Start Menu%\Programs\Accessories\README.txt
  • %Start Menu%\Programs\Administrative Tools\Component Services.lnk
  • %Start Menu%\Programs\Administrative Tools\Computer Management.lnk
  • %Start Menu%\Programs\Administrative Tools\Data Sources (ODBC).lnk
  • %Start Menu%\Programs\Administrative Tools\desktop.ini
  • %Start Menu%\Programs\Administrative Tools\Event Viewer.lnk
  • %Start Menu%\Programs\Administrative Tools\Local Security Policy.lnk
  • %Start Menu%\Programs\Administrative Tools\Performance.lnk
  • %Start Menu%\Programs\Administrative Tools\Services.lnk
  • %Start Menu%\Programs\Administrative Tools\README.txt
  • %Start Menu%\Programs\Games\desktop.ini
  • %Start Menu%\Programs\Games\Freecell.lnk
  • %Start Menu%\Programs\Games\Hearts.lnk
  • %Start Menu%\Programs\Games\Internet Backgammon.lnk
  • %Start Menu%\Programs\Games\Internet Checkers.lnk
  • %Start Menu%\Programs\Games\Internet Hearts.lnk
  • %Start Menu%\Programs\Games\Internet Reversi.lnk
  • %Start Menu%\Programs\Games\Internet Spades.lnk
  • %Start Menu%\Programs\Games\Minesweeper.lnk
  • %Start Menu%\Programs\Games\Pinball.lnk
  • %Start Menu%\Programs\Games\Solitaire.lnk
  • %Start Menu%\Programs\Games\Spider Solitaire.lnk
  • %Start Menu%\Programs\Games\README.txt
  • %Common Startup%\desktop.ini
  • %Common Startup%\README.txt
  • %Start Menu%\Programs\WinPcap\Uninstall WinPcap 4.1.2.lnk
  • %Start Menu%\Programs\WinPcap\WinPcap Web Site.url
  • %Start Menu%\Programs\WinPcap\README.txt
  • %Start Menu%\Programs\README.txt
  • %Start Menu%\README.txt
  • %User Profile%\Templates\README.txt
  • %User Profile%\README.txt
  • %User Profile%\Cookies\index.dat
  • %User Profile%\Cookies\README.txt
  • %Application Data%\Microsoft\README.txt
  • %Application Data%\README.txt
  • %User Profile%\History.IE5\index.dat
  • %User Profile%\History.IE5\README.txt
  • %User Profile%\History\README.txt
  • %User Temp%\README.txt
  • %Temporary Internet Files%\README.txt
  • %User Profile%\Local Settings\README.txt
  • %User Profile%\My Documents\README.txt
  • %User Profile%\NetHood\README.txt
  • %User Profile%\PrintHood\README.txt
  • %User Profile%\Recent\README.txt
  • %Desktop% (create shortcut).DeskLink
  • %User Profile%\SendTo\README.txt
  • %User Startup%\README.txt
  • %Application Data%\FontCache3.0.0.0.dat
  • %User Profile%\{8A24C031-62FE-4BF5-94F0-BFD4FBCD674B}\README.txt
  • %User Profile%\Identities\README.txt
  • %User Profile%\Cookies\wilbert@atdmt[2].txt
  • %User Profile%\Cookies\wilbert@bing[2].txt
  • %User Profile%\Cookies\wilbert@c.atdmt[2].txt
  • %User Profile%\Cookies\wilbert@c.msn[2].txt
  • %User Profile%\Cookies\wilbert@doubleclick[1].txt
  • %User Profile%\Cookies\wilbert@microsoft[1].txt
  • %User Profile%\Cookies\wilbert@msnportal.112.2o7[1].txt
  • %User Profile%\Cookies\wilbert@msn[2].txt
  • %User Profile%\Cookies\wilbert@scorecardresearch[2].txt
  • %User Profile%\Cookies\wilbert@www.bing[2].txt
  • %User Profile%\Cookies\wilbert@www.msn[1].txt
  • %Favorites%\Links\README.txt
  • %User Profile%\MSHist012013061320130614\index.dat
  • %User Profile%\MSHist012013061320130614\README.txt
  • %User Profile%\My Music\Sample Music.lnk
  • %User Profile%\My Pictures\Sample Pictures.lnk
  • %System Root%\Documents and Settings\README.txt
  • %Program Files%\README.txt
  • %Windows%\README.txt
  • %System Root%\Users\Wilbert\2d5s8g4ed.jpg
  • %User Profile%\Application Data\delback.bat
  • %System Root%\update.bat

Step 5

Scan your computer with your Trend Micro product to delete files detected as Ransom_FANTOMCRYPT.F117A5. 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.

Step 6

Restore deleted/modified files and/or registry entries from backup

*Note: Only Microsoft-related files/keys/values will be restored. If this malware/grayware also deleted registry keys/values related to programs that are not from Microsoft, please reinstall those programs on your computer.

    • %System Root%\AUTOEXEC.BAT
    • %System Root%\boot.ini
    • %System Root%\CONFIG.SYS
    • %System Root%\IO.SYS
    • %System Root%\MSDOS.SYS
    • %System Root%\NTDETECT.COM
    • %System Root%\ntldr
    • %Start Menu%\desktop.ini
    • %Start Menu%\Programs\desktop.ini
    • %Start Menu%\Programs\Accessories\desktop.ini
    • %Start Menu%\Programs\Accessories\Accessibility\desktop.ini
    • %Start Menu%\Programs\Accessories\Entertainment\desktop.ini
    • %User Profile%\NTUSER.DAT
    • %User Profile%\ntuser.dat.LOG
    • %User Profile%\SendTo\Compressed (zipped) Folder.ZFSendToTarget
    • %User Profile%\SendTo\Mail Recipient.MAPIMail
    • %Start Menu%\Programs\Remote Assistance.lnk
    • %Start Menu%\Programs\Windows Media Player.lnk
    • %Start Menu%\Programs\Accessories\Command Prompt.lnk
    • %Start Menu%\Programs\Accessories\Notepad.lnk
    • %Start Menu%\Programs\Accessories\Program Compatibility Wizard.lnk
    • %Start Menu%\Programs\Accessories\Synchronize.lnk
    • %Start Menu%\Programs\Accessories\Tour Windows XP.lnk
    • %Start Menu%\Programs\Accessories\Windows Explorer.lnk
    • %Start Menu%\Programs\Accessories\Accessibility\Magnifier.lnk
    • %Start Menu%\Programs\Accessories\Accessibility\Narrator.lnk
    • %Start Menu%\Programs\Accessories\Accessibility\On-Screen Keyboard.lnk
    • %Start Menu%\Programs\Accessories\Accessibility\Utility Manager.lnk
    • %Start Menu%\Programs\Accessories\Entertainment\Windows Media Player.lnk
    • %User Startup%\desktop.ini
    • %User Profile%\ntuser.ini
    • %Favorites%\MSN.com.url
    • %Favorites%\Radio Station Guide.url
    • %Favorites%\Links\Customize Links.url
    • %Favorites%\Links\Free Hotmail.url
    • %Favorites%\Links\Windows Marketplace.url
    • %Favorites%\Links\Windows Media.url
    • %Favorites%\Links\Windows.url
    • %Application Data%\GDIPFONTCACHEV1.DAT
    • %User Profile%\SendTo\My Documents.mydocs
    • %Start Menu%\Programs\Internet Explorer.lnk
    • %Start Menu%\Programs\Outlook Express.lnk
    • %Start Menu%\Programs\Accessories\Address Book.lnk


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