Reimage
Table of Contents
Overview
Reimage (cataloged in antimalware telemetry under signatures including PUA:Win32/Reimage, Program:Win32/ReimageRepair, and Rogue:Win32/Reimage) is a prominent rogue system utility, aggressive scareware installer, and Potentially Unwanted Application (PUA) by Reimage Ltd active from 2012 to 2020. Aggressively distributed through deceptive software bundlers, intrusive redirect advertising networks, and fake 'virus detected' browser alerts, Reimage installs a system scan utility that systematically fabricates hundreds of critical operating system errors, stability warnings, and registry faults. It locks the victim into high-pressure scareware dialogs claiming system corruption is imminent, repeatedly demanding that the user purchase a high-cost commercial license key. Reimage registers autostart scheduled tasks, alters browser shortcuts, and actively resists simple uninstallation.
Known aliases
Threat reports may refer to this family under multiple names:
Family Pedigree & Lineage
Malware authors regularly fork and iterate upon existing codebases. Observed upstream lineage and downstream variants for this family include:
Known Derivatives & Downstream Variants: Pua:Win32/Reimage.A · Program:Win32/Reimagerepair.Gen
MITRE ATT&CK Techniques
This family has been observed using the following ATT&CK techniques: T1204.002 · T1547.001 · T1059.003 · T1082 · T1112
Tactical Mitigations
Based on the techniques used by this family, consider the following defensive strategies:
- T1059.003: Restrict execution of Windows Command Shell (cmd.exe) and block unauthorized batch scripts.
MITRE D3FEND™ Defensive Countermeasures
Defensive techniques mapped to counter the offensive tradecraft observed in this family (via the MITRE D3FEND matrix):
| D3FEND ID | Countermeasure Name | Tactic | Countered ATT&CK | Defensive Guidance |
|---|---|---|---|---|
D3-PBA | Process Spawn Analysis | Detect | T1059.003 | Inspect command-line arguments and anomalous parent-child relationships spawning from cmd.exe. |
D3-SDA | System Discovery Analysis | Detect | T1082 | Alert on rapid enumerations of systeminfo, hostname, and registry hardware trees in short intervals. |
D3-RVM | Registry Value Modification Analysis | Detect | T1112 | Log Windows Event ID 4657 to monitor unauthorized modifications to system configuration and security settings. |
D3-FEA | File Execution Analysis | Harden | T1204.002 | Enforce AppLocker and Windows Defender Application Control (WDAC) to block executable launches from temporary and user-writable directories. |
D3-RPM | Registry Persistence Monitoring | Detect | T1547.001 | Audit and restrict write privileges to user and machine-level Registry Run/RunOnce keys using Endpoint Privilege Management. |
Tiered Detection Rules (Cisco CAIRN Model)
Modern threat detection requires multi-layered rule engineering. We classify detections into three operational tiers based on signal fidelity:
Tier 1 Primitive Artifact Rule (Fast Triage)
Matches raw strings and file markers. Vulnerable to binary repacking and simple obfuscation.
rule MALWARE_WIN_REIMAGE_T1_ARTIFACT {
meta:
description = "Tier 1 Primitive Artifact: Raw string matches for Reimage"
tier = "T1 - Primitive Artifact"
confidence = "Low-Medium (Fast Triage)"
author = "SystemHelpdesk Threat Research Desk"
date = "2026-10-14"
strings:
$s1 = "reimage" ascii wide nocase
$s2 = "pua:win32/reimage" ascii wide nocase
$s3 = "program:win32/reimagerepair" ascii wide nocase
$s4 = "rogue:win32/reimage" ascii wide nocase
$s5 = "win32/reimage" ascii wide nocase
$s6 = "reimage repair" ascii wide nocase
$s7 = "pua.reimage" ascii wide nocase
condition:
uint16(0) == 0x5a4d and any of them
}Tier 2 Behavioral Context Rule (Process Chains & Sigma)
Tracks parent-child process anomalies and suspicious scripting telemetry. Resilient against file renames.
title: SystemHelpDesk Detection - Reimage (Rogue) Execution & Triage
id: 11370b12-f763-5957-9bfd-05760b6bd8b0
status: production
description: Detects execution, defense evasion, and persistence behaviors associated
with the Reimage malware family. Detects suspicious execution from temporary user
directories with hidden window flags and background transfer utilities.
references:
- https://malware-families-catalog.systemhelpdesk.com/families/reimage
- https://malware-families-catalog.systemhelpdesk.com/defensive/ransomware-protection
- https://malware-families-catalog.systemhelpdesk.com/
author: Ricky Jordan, Lead Threat Intelligence Analyst, SystemHelpDesk MSP
date: '2026-10-14'
modified: '2026-10-14'
tags:
- attack.rogue
- author.ricky-jordan
- source.systemhelpdesk-mfc
- attack.t1204_002
- attack.t1547_001
- attack.t1059_003
- attack.t1082
- attack.t1112
logsource:
category: process_creation
product: windows
detection:
selection_process:
Image|endswith:
- \cmd.exe
- \powershell.exe
- \cscript.exe
- \wscript.exe
CommandLine|contains:
- AppData\Local\Temp
- -WindowStyle Hidden
- /e:jscript
- bitsadmin /transfer
condition: selection_process
falsepositives:
- Legitimate enterprise administrative scripts during approved change windows
- Authorized IT software deployment utilities and backup management agents
level: mediumTier 3 Attribution Fingerprint Rule (High Fidelity)
Deep signature matching distinctive operational fingerprints and payload characteristics.
rule MALWARE_WIN_REIMAGE_T3_ATTRIBUTION {
meta:
description = "Tier 3 Attribution Fingerprint: Heuristic detection for Reimage tradecraft"
tier = "T3 - Attribution Fingerprint"
confidence = "High (Confirmed Family Signature)"
author = "SystemHelpdesk Threat Research Desk"
date = "2026-10-14"
strings:
// Core family identifier & heuristic payload signatures
$attrib_str = "reimage" ascii wide nocase
$pe_magic = "MZ" ascii
$net_marker = "http" ascii nocase
condition:
uint16(0) == 0x5a4d and ($attrib_str and $net_marker) and filesize < 15MB
}References & External Analysis
- Microsoft Defender Threat Encyclopedia - PUA:Win32/Reimage
- Trend Micro Threat Encyclopedia - Rogue.Win32.Reimage
- Search "reimage" on VirusTotal (External Analysis)
- Search "reimage" on Any.Run (Sandbox Sandbox)
- Search "reimage" on MalwareBazaar (Malware Samples)
Frequently Asked Questions
What is PUA:Win32/Reimage (Reimage Repair)?
Reimage is a rogue system optimizer and scareware PUA that fabricates false computer errors to coerce victims into buying paid licenses.
Are the errors detected by Reimage Repair legitimate?
No. Reimage deliberately classifies benign registry entries and normal system files as critical errors to scare users.
How does Reimage get installed onto computers?
It is bundled with third-party software installers, fake browser virus popups, and deceptive download manager wrappers.
How does Reimage maintain persistence on Windows?
It creates scheduled tasks in Task Scheduler, adds autorun registry keys, and registers background watchdog services.
How do you remove Reimage Repair completely?
Uninstall it via Windows Programs and Features, delete its scheduled tasks, and run a full scan with Microsoft Defender Antivirus.
How do I remove the Reimage Rogue from Windows?
Manual removal of Reimage is highly discouraged as it may leave persistence mechanisms intact. We recommend disconnecting the device from the internet and utilizing a professional incident response service or enterprise-grade EDR software to conduct a full forensic sweep.
Is Reimage a virus or a Rogue?
Reimage is classified as a Rogue. Unlike traditional viruses that infect files, modern malware like Reimage typically operates as a standalone payload designed to compromise systems, steal data, or deploy secondary stage implants.
What are the main symptoms of a Reimage infection?
Symptoms of Reimage can include unexpected system slowness, unauthorized outbound network traffic to unknown IP addresses, disabled security software, and suspicious background processes running from AppData or Temp directories.
Protect Your Network Against Rogues
Want to prevent Reimage and similar threats from compromising your organization? Read our comprehensive defensive guide: Think You've Been Hacked? What To Do First.
📣 Threat Intel Correction or Update?
Notice an outdated IOC, unlisted alias, or disputed attribution? Threat researchers are invited to propose an update on GitHub or contact the SystemHelpDesk research desk. All community revisions are credited in our public CHANGELOG.
Machine-readable
Get this profile as JSON: https://malware-families-catalog.systemhelpdesk.com/api/reimage.json
Ecosystem & Interactive Environments
This profile is part of the Malware Families Catalog, a public dataset of 2,899 malware families. The catalog is also published across our ecosystem: Hugging Face, Kaggle, Zenodo, Replit, StackBlitz, CodeSandbox, and CodePen.