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TROJ_DROPPER.XXTUA

May 20, 2015
 ALIASES:

Trojan.Gamaredon (Symantec); Trojan.Win32.Generic!BT (Sunbelt)

 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.

  TECHNICAL DETAILS

File Size:

7,164,614 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

20 May 2015

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.

Installation

This Trojan creates the following folders:

  • %System Root%\DOCUME~1
  • %System Root%\DOCUME~1\Wilbert
  • %User Profile%\LOCALS~1
  • %System Root%\MSI35ff4.tmp
  • %System Root%\Config.Msi
  • %System%\sysfiles
  • %Windows%\Installer\{AB7AA605-500F-4153-8207-FB5563419112}

(Note: %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.. %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.. %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.. %Windows% is the Windows folder, where it usually is C:\Windows on all Windows operating system versions.)

Other System Modifications

This Trojan deletes the following files:

  • %Windows%\Installer\MSIA.tmp
  • %System Root%\Config.Msi\MSI14.tmp

(Note: %Windows% is the Windows folder, where it usually is C:\Windows on all Windows operating system versions.. %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.)

It deletes the following folders:

  • %Program Files%\Remote Manipulator System - Server
  • \Remote Manipulator System - Server
  • %Windows%\syswow64\sysfiles
  • %User Profile%\My Documents\My Pictures
  • %Start Menu%\Programs\Administrative Tools

(Note: %Program Files% is the Program Files folder, where it usually is C:\Program Files on all Windows operating system versions; C:\Program Files (x86) for 32-bit applications running on Windows 64-bit operating systems.. %Windows% is the Windows folder, where it usually is C:\Windows on all Windows operating system versions.. %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.. %Start Menu% is the Start Menu folder, where it usually is C:\Documents and Settings\{user name}\Start Menu on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)

It adds the following registry keys:

HKEY_CURRENT_USER\Software\WinRAR SFX

HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Installer\
InProgress

HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Installer\
Rollback\Scripts

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Components\
F400EEAA9D3E45C4987CFE35BD77F4C5

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Components\
E5052F47A02BDEA469F8EAB572D83BA8

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Components\
6EDC4423414699340B5D245426472701

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Components\
E45BAE6295648E74689FC47BF4E730EB

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Components\
6364F69515D55F943B4B3F3C669ECD32

HKEY_LOCAL_MACHINE\SYSTEM\Remote Manipulator System\
v4\Server\Parameters

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Products\
506AA7BAF00535142870BF5536141921\InstallProperties

HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
{AB7AA605-500F-4153-8207-FB5563419112}

HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Installer\
UpgradeCodes\509B38EF4554FFD4794F292971C81B17

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Products\
506AA7BAF00535142870BF5536141921\Usage

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Installer\Features\506AA7BAF00535142870BF5536141921

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Products\
506AA7BAF00535142870BF5536141921\Features

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Products\
506AA7BAF00535142870BF5536141921\Patches

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Installer\Products\506AA7BAF00535142870BF5536141921

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Installer\UpgradeCodes\509B38EF4554FFD4794F292971C81B17

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Installer\Products\506AA7BAF00535142870BF5536141921\
SourceList

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Installer\Products\506AA7BAF00535142870BF5536141921\
SourceList\Net

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Installer\Products\506AA7BAF00535142870BF5536141921\
SourceList\Media

It adds the following registry entries:

HKEY_CURRENT_USER\Software\WinRAR SFX
C%%DOCUME~1%Wilbert%LOCALS~1%Temp = "%User Temp%"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
Rollback\Scripts
%System Root%\Config.Msi\35ff6.rbs = "46ae69fd"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Components\
F400EEAA9D3E45C4987CFE35BD77F4C5
506AA7BAF00535142870BF5536141921 = "%System%\sysfiles"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Components\
E5052F47A02BDEA469F8EAB572D83BA8
506AA7BAF00535142870BF5536141921 = "%System%\sysfiles"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Components\
6EDC4423414699340B5D245426472701
506AA7BAF00535142870BF5536141921 = "%System%\sysfiles"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Components\
E45BAE6295648E74689FC47BF4E730EB
506AA7BAF00535142870BF5536141921 = "%System%\sysfiles"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Components\
6364F69515D55F943B4B3F3C669ECD32
506AA7BAF00535142870BF5536141921 = "%System%\sysfiles"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Components\
6364F69515D55F943B4B3F3C669ECD32
00000000000000000000000000000000 = "%System%\sysfiles"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
Folders
%System%\sysfiles = "1"

HKEY_LOCAL_MACHINE\SYSTEM\Remote Manipulator System\
v4\Server\Parameters
UserAccess = "{random values}"

HKEY_LOCAL_MACHINE\SYSTEM\Remote Manipulator System\
v4\Server\Parameters
Password = "{random values}"

HKEY_LOCAL_MACHINE\SYSTEM\Remote Manipulator System\
v4\Server\Parameters
notification = "{random values}"

HKEY_LOCAL_MACHINE\SYSTEM\Remote Manipulator System\
v4\Server\Parameters
Options = "{random values}"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Products\
506AA7BAF00535142870BF5536141921\InstallProperties
RegOwner = "Wilbert"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Products\
506AA7BAF00535142870BF5536141921\InstallProperties
ProductID = "none"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Products\
506AA7BAF00535142870BF5536141921\InstallProperties
LocalPackage = "%Windows%\Installer\35ff7.msi"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Products\
506AA7BAF00535142870BF5536141921\InstallProperties
DisplayVersion = "5.210.0000"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Products\
506AA7BAF00535142870BF5536141921\InstallProperties
InstallDate = "20150514"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Products\
506AA7BAF00535142870BF5536141921\InstallProperties
InstallLocation = "%System%\sysfiles"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Products\
506AA7BAF00535142870BF5536141921\InstallProperties
InstallSource = "%User Temp%"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Products\
506AA7BAF00535142870BF5536141921\InstallProperties
ModifyPath = "MsiExec.exe /X{AB7AA605-500F-4153-8207-FB5563419112}"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Products\
506AA7BAF00535142870BF5536141921\InstallProperties
NoModify = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Products\
506AA7BAF00535142870BF5536141921\InstallProperties
NoRepair = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Products\
506AA7BAF00535142870BF5536141921\InstallProperties
Publisher = "Microsoft Corporation"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Products\
506AA7BAF00535142870BF5536141921\InstallProperties
EstimatedSize = "3aeb"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Products\
506AA7BAF00535142870BF5536141921\InstallProperties
UninstallString = "MsiExec.exe /X{AB7AA605-500F-4153-8207-FB5563419112}"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Products\
506AA7BAF00535142870BF5536141921\InstallProperties
URLInfoAbout = "http://www.{BLOCKED}oft.com"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Products\
506AA7BAF00535142870BF5536141921\InstallProperties
URLUpdateInfo = "http://www.{BLOCKED}oft.com"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Products\
506AA7BAF00535142870BF5536141921\InstallProperties
VersionMajor = "5"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Products\
506AA7BAF00535142870BF5536141921\InstallProperties
VersionMinor = "d2"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Products\
506AA7BAF00535142870BF5536141921\InstallProperties
WindowsInstaller = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Products\
506AA7BAF00535142870BF5536141921\InstallProperties
Version = "5d2"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Products\
506AA7BAF00535142870BF5536141921\InstallProperties
Language = "419"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{AB7AA605-500F-4153-8207-FB5563419112}
DisplayVersion = "5.210.0000"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{AB7AA605-500F-4153-8207-FB5563419112}
InstallDate = "20150514"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{AB7AA605-500F-4153-8207-FB5563419112}
InstallLocation = "%System%\sysfiles"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{AB7AA605-500F-4153-8207-FB5563419112}
InstallSource = "%User Temp%"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{AB7AA605-500F-4153-8207-FB5563419112}
ModifyPath = "MsiExec.exe /X{AB7AA605-500F-4153-8207-FB5563419112}"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{AB7AA605-500F-4153-8207-FB5563419112}
NoModify = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{AB7AA605-500F-4153-8207-FB5563419112}
NoRepair = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{AB7AA605-500F-4153-8207-FB5563419112}
Publisher = "Microsoft Corporation"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{AB7AA605-500F-4153-8207-FB5563419112}
EstimatedSize = "3aeb"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{AB7AA605-500F-4153-8207-FB5563419112}
UninstallString = "MsiExec.exe /X{AB7AA605-500F-4153-8207-FB5563419112}"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{AB7AA605-500F-4153-8207-FB5563419112}
URLInfoAbout = "http://www.{BLOCKED}oft.com"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{AB7AA605-500F-4153-8207-FB5563419112}
URLUpdateInfo = "http://www.{BLOCKED}oft.com"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{AB7AA605-500F-4153-8207-FB5563419112}
VersionMajor = "5"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{AB7AA605-500F-4153-8207-FB5563419112}
VersionMinor = "d2"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{AB7AA605-500F-4153-8207-FB5563419112}
WindowsInstaller = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{AB7AA605-500F-4153-8207-FB5563419112}
Version = "5d2"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{AB7AA605-500F-4153-8207-FB5563419112}
Language = "419"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Products\
506AA7BAF00535142870BF5536141921\InstallProperties
DisplayName = "Microsoft Visual C++ 2008 Redistributable - x86 10.0.743894.2047"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{AB7AA605-500F-4153-8207-FB5563419112}
DisplayName = "Microsoft Visual C++ 2008 Redistributable - x86 10.0.743894.2047"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Products\
506AA7BAF00535142870BF5536141921\Features
Remote_Office_Manager = "{random characters}"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Installer\Products\506AA7BAF00535142870BF5536141921
ProductName = "Microsoft Visual C++ 2008 Redistributable - x86 10.0.743894.2047"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Installer\Products\506AA7BAF00535142870BF5536141921
PackageCode = "558594499A0F7BE41A10BED2C55AA173"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Installer\Products\506AA7BAF00535142870BF5536141921
Language = "419"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Installer\Products\506AA7BAF00535142870BF5536141921
Version = "5d2"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Installer\Products\506AA7BAF00535142870BF5536141921
Assignment = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Installer\Products\506AA7BAF00535142870BF5536141921
AdvertiseFlags = "184"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Installer\Products\506AA7BAF00535142870BF5536141921
ProductIcon = "%Windows%\Installer\{AB7AA605-500F-4153-8207-FB5563419112}\ARPPRODUCTICON.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Installer\Products\506AA7BAF00535142870BF5536141921
InstanceType = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Installer\Products\506AA7BAF00535142870BF5536141921
AuthorizedLUAApp = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Installer\Products\506AA7BAF00535142870BF5536141921\
SourceList
PackageName = "rms5.2.1.msi"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Installer\Products\506AA7BAF00535142870BF5536141921\
SourceList\Net
1 = "%User Temp%"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Installer\Products\506AA7BAF00535142870BF5536141921\
SourceList\Media
DiskPrompt = "[1]"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Installer\Products\506AA7BAF00535142870BF5536141921\
SourceList\Media
1 = "DISK1;1"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Installer\Products\506AA7BAF00535142870BF5536141921\
SourceList
LastUsedSource = "n;1;%User Temp%"

Dropping Routine

This Trojan drops the following files:

  • %User Temp%\123.cmd
  • %User Temp%\set.exe
  • __tmp_rar_sfx_access_check_96281
  • setting.exe
  • %User Temp%\install.cmd
  • %User Temp%\rms5.2.1.msi
  • %User Temp%\wget.exe
  • %Windows%\Installer\35ff3.msi
  • %Windows%\Installer\35ff5.ipi
  • %Windows%\Installer\MSI10.tmp
  • %System Root%\Config.Msi\35ff6.rbs
  • %System%\sysfiles\dsfvorbisdecoder.dll
  • %System%\sysfiles\dsfvorbisencoder.dll
  • %System%\sysfiles\gdiplus.dll
  • %System%\sysfiles\microsoft.vc90.crt.manifest
  • %System%\sysfiles\msimg32.dll
  • %System%\sysfiles\msvcp90.dll
  • %System%\sysfiles\msvcr90.dll
  • %System%\sysfiles\oledlg.dll
  • %System%\sysfiles\rasadhlp.dll
  • %System%\sysfiles\rfusclient.exe
  • %System%\sysfiles\ripcserver.dll
  • %System%\sysfiles\rutserv.exe
  • %System%\sysfiles\rwln.dll
  • %System%\sysfiles\vp8decoder.dll
  • %System%\sysfiles\vp8encoder.dll
  • %Windows%\Installer\35ff7.msi
  • %Windows%\Installer\{AB7AA605-500F-4153-8207-FB5563419112}\ARPPRODUCTICON.exe

(Note: %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.. %Windows% is the Windows folder, where it usually is C:\Windows on all Windows operating system versions.. %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.. %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.)

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine:

9.750

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_CURRENT_USER\Software
    • WinRAR SFX
  • In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer
    • InProgress
  • In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer\Rollback
    • Scripts
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Components
    • F400EEAA9D3E45C4987CFE35BD77F4C5
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Components
    • E5052F47A02BDEA469F8EAB572D83BA8
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Components
    • 6EDC4423414699340B5D245426472701
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Components
    • E45BAE6295648E74689FC47BF4E730EB
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Components
    • 6364F69515D55F943B4B3F3C669ECD32
  • In HKEY_LOCAL_MACHINE\SYSTEM\Remote Manipulator System\v4\Server
    • Parameters
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\506AA7BAF00535142870BF5536141921
    • InstallProperties
  • In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall
    • {AB7AA605-500F-4153-8207-FB5563419112}
  • In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer\UpgradeCodes
    • 509B38EF4554FFD4794F292971C81B17
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\506AA7BAF00535142870BF5536141921
    • Usage
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Features
    • 506AA7BAF00535142870BF5536141921
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\506AA7BAF00535142870BF5536141921
    • Features
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\506AA7BAF00535142870BF5536141921
    • Patches
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products
    • 506AA7BAF00535142870BF5536141921
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes
    • 509B38EF4554FFD4794F292971C81B17
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921
    • SourceList
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921\SourceList
    • Net
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921\SourceList
    • Media

Step 3

Delete this registry value

[ 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\WinRAR SFX
    • C%%DOCUME~1%Wilbert%LOCALS~1%Temp = "%User Temp%"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\Rollback\Scripts
    • %System Root%\Config.Msi\35ff6.rbs = "46ae69fd"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Components\F400EEAA9D3E45C4987CFE35BD77F4C5
    • 506AA7BAF00535142870BF5536141921 = "%System%\sysfiles"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Components\E5052F47A02BDEA469F8EAB572D83BA8
    • 506AA7BAF00535142870BF5536141921 = "%System%\sysfiles"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Components\6EDC4423414699340B5D245426472701
    • 506AA7BAF00535142870BF5536141921 = "%System%\sysfiles"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Components\E45BAE6295648E74689FC47BF4E730EB
    • 506AA7BAF00535142870BF5536141921 = "%System%\sysfiles"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Components\6364F69515D55F943B4B3F3C669ECD32
    • 506AA7BAF00535142870BF5536141921 = "%System%\sysfiles"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Components\6364F69515D55F943B4B3F3C669ECD32
    • 00000000000000000000000000000000 = "%System%\sysfiles"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\Folders
    • %System%\sysfiles = "1"
  • In HKEY_LOCAL_MACHINE\SYSTEM\Remote Manipulator System\v4\Server\Parameters
    • UserAccess = "{random values}"
  • In HKEY_LOCAL_MACHINE\SYSTEM\Remote Manipulator System\v4\Server\Parameters
    • Password = "{random values}"
  • In HKEY_LOCAL_MACHINE\SYSTEM\Remote Manipulator System\v4\Server\Parameters
    • notification = "{random values}"
  • In HKEY_LOCAL_MACHINE\SYSTEM\Remote Manipulator System\v4\Server\Parameters
    • Options = "{random values}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\506AA7BAF00535142870BF5536141921\InstallProperties
    • RegOwner = "Wilbert"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\506AA7BAF00535142870BF5536141921\InstallProperties
    • ProductID = "none"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\506AA7BAF00535142870BF5536141921\InstallProperties
    • LocalPackage = "%Windows%\Installer\35ff7.msi"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\506AA7BAF00535142870BF5536141921\InstallProperties
    • DisplayVersion = "5.210.0000"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\506AA7BAF00535142870BF5536141921\InstallProperties
    • InstallDate = "20150514"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\506AA7BAF00535142870BF5536141921\InstallProperties
    • InstallLocation = "%System%\sysfiles"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\506AA7BAF00535142870BF5536141921\InstallProperties
    • InstallSource = "%User Temp%"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\506AA7BAF00535142870BF5536141921\InstallProperties
    • ModifyPath = "MsiExec.exe /X{AB7AA605-500F-4153-8207-FB5563419112}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\506AA7BAF00535142870BF5536141921\InstallProperties
    • NoModify = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\506AA7BAF00535142870BF5536141921\InstallProperties
    • NoRepair = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\506AA7BAF00535142870BF5536141921\InstallProperties
    • Publisher = "Microsoft Corporation"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\506AA7BAF00535142870BF5536141921\InstallProperties
    • EstimatedSize = "3aeb"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\506AA7BAF00535142870BF5536141921\InstallProperties
    • UninstallString = "MsiExec.exe /X{AB7AA605-500F-4153-8207-FB5563419112}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\506AA7BAF00535142870BF5536141921\InstallProperties
    • URLInfoAbout = "http://www.{BLOCKED}oft.com"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\506AA7BAF00535142870BF5536141921\InstallProperties
    • URLUpdateInfo = "http://www.{BLOCKED}oft.com"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\506AA7BAF00535142870BF5536141921\InstallProperties
    • VersionMajor = "5"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\506AA7BAF00535142870BF5536141921\InstallProperties
    • VersionMinor = "d2"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\506AA7BAF00535142870BF5536141921\InstallProperties
    • WindowsInstaller = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\506AA7BAF00535142870BF5536141921\InstallProperties
    • Version = "5d2"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\506AA7BAF00535142870BF5536141921\InstallProperties
    • Language = "419"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{AB7AA605-500F-4153-8207-FB5563419112}
    • DisplayVersion = "5.210.0000"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{AB7AA605-500F-4153-8207-FB5563419112}
    • InstallDate = "20150514"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{AB7AA605-500F-4153-8207-FB5563419112}
    • InstallLocation = "%System%\sysfiles"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{AB7AA605-500F-4153-8207-FB5563419112}
    • InstallSource = "%User Temp%"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{AB7AA605-500F-4153-8207-FB5563419112}
    • ModifyPath = "MsiExec.exe /X{AB7AA605-500F-4153-8207-FB5563419112}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{AB7AA605-500F-4153-8207-FB5563419112}
    • NoModify = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{AB7AA605-500F-4153-8207-FB5563419112}
    • NoRepair = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{AB7AA605-500F-4153-8207-FB5563419112}
    • Publisher = "Microsoft Corporation"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{AB7AA605-500F-4153-8207-FB5563419112}
    • EstimatedSize = "3aeb"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{AB7AA605-500F-4153-8207-FB5563419112}
    • UninstallString = "MsiExec.exe /X{AB7AA605-500F-4153-8207-FB5563419112}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{AB7AA605-500F-4153-8207-FB5563419112}
    • URLInfoAbout = "http://www.{BLOCKED}oft.com"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{AB7AA605-500F-4153-8207-FB5563419112}
    • URLUpdateInfo = "http://www.{BLOCKED}oft.com"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{AB7AA605-500F-4153-8207-FB5563419112}
    • VersionMajor = "5"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{AB7AA605-500F-4153-8207-FB5563419112}
    • VersionMinor = "d2"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{AB7AA605-500F-4153-8207-FB5563419112}
    • WindowsInstaller = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{AB7AA605-500F-4153-8207-FB5563419112}
    • Version = "5d2"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{AB7AA605-500F-4153-8207-FB5563419112}
    • Language = "419"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\506AA7BAF00535142870BF5536141921\InstallProperties
    • DisplayName = "Microsoft Visual C++ 2008 Redistributable - x86 10.0.743894.2047"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{AB7AA605-500F-4153-8207-FB5563419112}
    • DisplayName = "Microsoft Visual C++ 2008 Redistributable - x86 10.0.743894.2047"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\506AA7BAF00535142870BF5536141921\Features
    • Remote_Office_Manager = "{random characters}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921
    • ProductName = "Microsoft Visual C++ 2008 Redistributable - x86 10.0.743894.2047"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921
    • PackageCode = "558594499A0F7BE41A10BED2C55AA173"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921
    • Language = "419"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921
    • Version = "5d2"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921
    • Assignment = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921
    • AdvertiseFlags = "184"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921
    • ProductIcon = "%Windows%\Installer\{AB7AA605-500F-4153-8207-FB5563419112}\ARPPRODUCTICON.exe"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921
    • InstanceType = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921
    • AuthorizedLUAApp = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921\SourceList
    • PackageName = "rms5.2.1.msi"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921\SourceList\Net
    • 1 = "%User Temp%"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921\SourceList\Media
    • DiskPrompt = "[1]"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921\SourceList\Media
    • 1 = "DISK1;1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921\SourceList
    • LastUsedSource = "n;1;%User Temp%"

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.
  • %User Temp%\123.cmd
  • %User Temp%\set.exe
  • __tmp_rar_sfx_access_check_96281
  • setting.exe
  • %User Temp%\install.cmd
  • %User Temp%\rms5.2.1.msi
  • %User Temp%\wget.exe
  • %Windows%\Installer\35ff3.msi
  • %Windows%\Installer\35ff5.ipi
  • %Windows%\Installer\MSI10.tmp
  • %System Root%\Config.Msi\35ff6.rbs
  • %System%\sysfiles\dsfvorbisdecoder.dll
  • %System%\sysfiles\dsfvorbisencoder.dll
  • %System%\sysfiles\gdiplus.dll
  • %System%\sysfiles\microsoft.vc90.crt.manifest
  • %System%\sysfiles\msimg32.dll
  • %System%\sysfiles\msvcp90.dll
  • %System%\sysfiles\msvcr90.dll
  • %System%\sysfiles\oledlg.dll
  • %System%\sysfiles\rasadhlp.dll
  • %System%\sysfiles\rfusclient.exe
  • %System%\sysfiles\ripcserver.dll
  • %System%\sysfiles\rutserv.exe
  • %System%\sysfiles\rwln.dll
  • %System%\sysfiles\vp8decoder.dll
  • %System%\sysfiles\vp8encoder.dll
  • %Windows%\Installer\35ff7.msi
  • %Windows%\Installer\{AB7AA605-500F-4153-8207-FB5563419112}\ARPPRODUCTICON.exe

Step 5

Search and delete these folders

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden folders in the search result.
  • %System Root%\DOCUME~1
  • %System Root%\DOCUME~1\Wilbert
  • %User Profile%\LOCALS~1
  • %System Root%\MSI35ff4.tmp
  • %System Root%\Config.Msi
  • %System%\sysfiles
  • %Windows%\Installer\{AB7AA605-500F-4153-8207-FB5563419112}

Step 6

Scan your computer with your Trend Micro product to delete files detected as TROJ_DROPPER.XXTUA. 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 7

Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again.

  • %Windows%\Installer\MSIA.tmp
  • %System Root%\Config.Msi\MSI14.tmp


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