PUA.Win32.Reimage.A

February 06, 2019
 Analysis by: Arvin Roi Macaraeg
 ALIASES:

Hoax.Win32.PCRepair.b(KASPERSKY)

 PLATFORM:

Windows

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

  • Threat Type: Potentially Unwanted Application

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Potentially Unwanted Application arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites. It may be manually installed by a user.

  TECHNICAL DETAILS

File Size:

605,424 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

29 Oct 2017

Arrival Details

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

It may be manually installed by a user.

Installation

This Potentially Unwanted Application drops the following files:

  • %Program Files%\Reimage\Reimage Repair\LZMA.EXE
  • %Program Files%\Reimage\Reimage Repair\ReimageReminder.exe
  • %Program Files%\Reimage\Reimage Repair\version.rei
  • %Program Files%\Reimage\Reimage Repair\REI_SupportInfoTool.exe
  • %Program Files%\Reimage\Reimage Repair\Reimage.exe
  • %Program Files%\Reimage\Reimage Repair\ReimageRepair.exe
  • %Program Files%\Reimage\Reimage Repair\reimage.dat
  • %Program Files%\Reimage\Reimage Repair\engine.dat
  • %User Temp%\ns{Random character}.tmp\DcryptDll.dll
  • %Program Files%\Reimage\Reimage Repair\REI_Axcontrol.lza
  • %Program Files%\Reimage\Reimage Repair\REI_Axcontrol.dll
  • %Program Files%\Reimage\Reimage Repair\REI_Engine.lza
  • %Program Files%\Reimage\Reimage Repair\REI_Engine.dll
  • %Program Files%\Reimage\Reimage Repair\Reimageicon.ico
  • %Program Files%\Reimage\Reimage Repair\Reimage_uninstall.ico
  • %Program Files%\Reimage\Reimage Repair\Reimage_website.ico
  • %Program Files%\Reimage\Reimage Repair\Reimage_SafeMode.ico
  • %Program Files%\Reimage\Reimage Repair\ReimageSafeMode.exe
  • %Program Files%\Reimage\Reimage Repair\savapi.dll
  • %Program Files%\Reimage\Reimage Repair\msvcr120.dll
  • %Program Files%\Reimage\Reimage Repair\REI_AVIRA.exe
  • %User Temp%\ns{Random character}.tmp\ProtectorUpdater.exe
  • %System Root%\rei\SupportInfoTool.ini
  • %System Root%\rei\About.txt
  • %System Root%\rei\AV\savapi.exe
  • %System Root%\rei\AV\savapi_restart.exe
  • %System Root%\rei\AV\savapi_stub.exe
  • %System Root%\rei\AV\avupdate_msg.avr
  • %System Root%\rei\AV\avupdate.exe
  • %System Root%\rei\AV\HBEDV.KEY
  • %System Root%\rei\AV\cacert.crt
  • %System Root%\rei\AV\productname.dat
  • %System Root%\rei\AV\msvcr120.dll
  • %System Root%\rei\AV\xbvRei.vdf
  • %User Temp%\ns{Random character}.tmp\xml.dll
  • %Common Programs%\Reimage Repair\Reimage Repair.lnk
  • %Common Programs%\Reimage Repair\Run in safe mode.lnk
  • %Public%\Desktop\PC Scan & Repair by Reimage.lnk
  • %Program Files%\Reimage\Reimage Repair\Reimage Repair Help & Support.url
  • %Common Programs%\Reimage Repair\Help & Support.lnk
  • %Program Files%\Reimage\Reimage Repair\Reimage Repair Terms of Use.url
  • %Common Programs%\Reimage Repair\Terms of Use.lnk
  • %Program Files%\Reimage\Reimage Repair\Reimage Repair Privacy Policy.url
  • %Common Programs%\Reimage Repair\Privacy Policy.lnk
  • %Program Files%\Reimage\Reimage Repair\Reimage Repair Uninstall Instructions.url
  • %Common Programs%\Reimage Repair\Uninstall Instructions.lnk
  • %Common Programs%\Reimage Repair\Uninstall.lnk
  • %Program Files%\Reimage\Reimage Repair\uninst.exe

(Note: %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000, Server 2003, and XP (32-bit), Vista (32-bit), 7 (32-bit), and 8 (32-bit), or C:\Program Files (x86) in Windows XP (64-bit), Vista (64-bit), 7 (64-bit), and 8 (64-bit).. %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, and 8.. %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.. %Common Programs% is the folder that contains common program groups for all users, which is usually C:\Documents and Settings\All Users\Start Menu\Programs on Windows 2000, XP, and Server 2003, or C:\ProgramData\Microsoft\Windows\Start Menu\Programs on Windows Vista, 7, and 8.. %Public% is the folder that serves as a repository of files or folders common to all users, which is usually C:\Users\Public in Windows Vista, 7, and 8.)

Autostart Technique

This Potentially Unwanted Application adds the following lines or registry entries as part of its routine:

  • HKEY_LOCAL_MACHINE\SOFTWARE\Reimage\Reimage Repair
    • Installer Language = "1033"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Reimage\Reimage Repair
    • Installer Language = "1033"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer
    • GlobalAssocChangedCounter = "37"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Reimage Repair
    • DownloaderVersion = "1.5.4.4"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Reimage Repair
    • trac = "direct"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Reimage Repair
    • tid = "6055511460"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Reimage Repair
    • camp = "referrer-with-no-se"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Reimage Repair
    • nu = "true"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Reimage Repair
    • DownloaderVersion = "1.5.4.4"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Reimage Repair
    • DisplayName = "Reimage Repair"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Reimage Repair
    • UninstallString = "%Program Files%\Reimage\Reimage Repair\uninst.exe"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Reimage Repair
    • DisplayIcon = "%Program Files%\Reimage\Reimage Repair\Reimage_uninstall.ico"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Reimage Repair
    • DisplayVersion = "1.8.8.2"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Reimage Repair
    • URLInfoAbout = "http://www.{BLOCKED}eplus.com"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Reimage Repair
    • Publisher = "Reimage"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Reimage Repair
    • InstallFile = "%Program Files%\Reimage\Reimage Repair\Reimage.exe"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Reimage Repair
    • InstallLocation = "%Program Files%\Reimage\Reimage Repair"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Reimage Repair
    • VersionMajor = "1"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Reimage Repair
    • VersionMinor = "882"
  • HKEY_CURRENT_USER\Software\Reimage\PC Repair
    • QuitMessage = ""
  • HKEY_CURRENT_USER\Software\Reimage\PC Repair
    • WarningMessage = " "
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\Reimage.exe
    • {Default} = "%Program Files%\Reimage\Reimage Repair\Reimage.exe"

Other Details

This Potentially Unwanted Application connects to the following possibly malicious URL:

  • http://www.{BLOCKED}eplus.com/includes/install_start.php?trackid=&tracking=&campaign=&minorsessionid=6630ad4cfefb472ab028044923&sessionid=ea424d34-0516-4466-a274-9ffa74a0b58f&t=CONSUMER&a=ENABLED&u=ENABLED&s=DISABLED&c=DISABLED&v=1542
  • http://cdnrep.{BLOCKED}e.com/downloader_version.xml
  • http://cdnrep.{BLOCKED}e.com/rqe/ReimageRepair.exe
  • http://cdnrep.{BLOCKED}e.com/repair_version.xml
  • http://www.{BLOCKED}eplus.com/events4mem.php?version=1544&SessionID=ea424d34-0516-4466-a274-9ffa74a0b58f&MinorSessionID=1b9c5e9a64ea48b888a5dcaeb1&id=INSVR¶m=1882&trackutil=6055511460
  • http://www.{BLOCKED}eplus.com/events4mem.php?version=1544&SessionID=ea424d34-0516-4466-a274-9ffa74a0b58f&MinorSessionID=1b9c5e9a64ea48b888a5dcaeb1&id=LANG¶m=en&trackutil=6055511460
  • http://cdnrep.{BLOCKED}e.com/ver/ReimagePackage1882c.exe
  • http://cdnrep.{BLOCKED}e.com/cfl/cfl1882.rei
  • http://www.{BLOCKED}eplus.com/includes/install_end.php?m_trackid=6055511460&m_tracking=direct&m_campaign=referrer-with-no-se&minorsessionid=1b9c5e9a64ea48b888a5dcaeb1&sessionid=ea424d34-0516-4466-a274-9ffa74a0b58f
  • http://www.{BLOCKED}eplus.com/events4mem.php?version=1544&SessionID=ea424d34-0516-4466-a274-9ffa74a0b58f&MinorSessionID=1b9c5e9a64ea48b888a5dcaeb1&id=INSST¶m=Downloader%20Started<*>New&trackutil=6055511460
  • http://www.{BLOCKED}eplus.com/events4mem.php?version=1544&SessionID=ea424d34-0516-4466-a274-9ffa74a0b58f&MinorSessionID=1b9c5e9a64ea48b888a5dcaeb1&id=INSRN¶m=1882<*>New&trackutil=6055511460

  SOLUTION

Minimum Scan Engine:

9.850

SSAPI PATTERN File:

2.144.42

SSAPI PATTERN Date:

07 Feb 2019

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

Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.

Step 3

Identify and terminate files detected as PUA.Win32.Reimage.A

[ Learn More ]
  1. Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
  2. If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
  3. If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.

Step 4

Remove PUA.Win32.Reimage.A by using its own Uninstall option

[ Learn More ]
To uninstall the grayware process

Step 5

Scan your computer with your Trend Micro product to delete files detected as PUA.Win32.Reimage.A. 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 the following Trend Micro Support pages for more information:


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