PLATFORM:

Windows

 OVERALL RISK RATING:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 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.

  TECHNICAL DETAILS

File Size: 29,871,432 bytes
File Type: EXE
Memory Resident: Yes
Initial Samples Received Date: 24 Feb 2020

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.

Installation

This Potentially Unwanted Application creates the following folders:

  • %All Users Profile%\ReviverSoft
  • %All Users Profile%\ReviverSoft\Driver Reviver\Language
  • %All Users Profile%\ReviverSoft\Driver Reviver\S-1-5-21-2407829820-1079796033-203259571-500
  • %All Users Profile%\ReviverSoft\Driver Reviver

(Note: %All Users Profile% is the common user's profile folder, which is usually C:\Documents and Settings\All Users on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\ProgramData on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit). )

Other System Modifications

This Potentially Unwanted Application deletes the following files:

  • %Application Data%\ReviverSoft\Driver Reviver\S-1-5-21-2407829820-1079796033-203259571-500\AppSettings.xml

(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Roaming on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

Dropping Routine

This Potentially Unwanted Application drops the following files:

  • %All Users Profile%\ReviverSoft\Driver Reviver\S-1-5-21-2407829820-1079796033-203259571-500\AppSettings.xml
  • %All Users Profile%\ReviverSoft\Driver Reviver\Language\English.xml
  • %All Users Profile%\ReviverSoft\Driver Reviver\S-1-5-21-2407829820-1079796033-203259571-500\app_log.log
  • %User Temp%\dr_lang_temp.xml
  • %User Temp%\7za.exe

(Note: %All Users Profile% is the common user's profile folder, which is usually C:\Documents and Settings\All Users on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\ProgramData on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(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(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine: 9.850

Step 1

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.

Step 2

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.
  • %All Users Profile%\ReviverSoft\Driver Reviver\S-1-5-21-2407829820-1079796033-203259571-500\AppSettings.xml
  • %All Users Profile%\ReviverSoft\Driver Reviver\Language\English.xml
  • %All Users Profile%\ReviverSoft\Driver Reviver\S-1-5-21-2407829820-1079796033-203259571-500\app_log.log
  • %User Temp%\dr_lang_temp.xml
  • %User Temp%\7za.exe

Step 3

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.
  • %All Users Profile%\ReviverSoft
  • %All Users Profile%\ReviverSoft\Driver Reviver\Language
  • %All Users Profile%\ReviverSoft\Driver Reviver\S-1-5-21-2407829820-1079796033-203259571-500
  • %All Users Profile%\ReviverSoft\Driver Reviver

Step 4

Scan your computer with your Trend Micro product to delete files detected as PUA.Win64.DriverReviver.AA. 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:

Step 5

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.

  • %Application Data%\ReviverSoft\Driver Reviver\S-1-5-21-2407829820-1079796033-203259571-500\AppSettings.xml


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