Threat Overview
Remcos is documented in the Advanced System Repair Virus Lab as a malware threat that may affect device security, privacy, browser data, credentials, stored files, or overall system control depending on the variant and delivery method.
ASR Threat Profile™
Remcos at a glance
Remcos is classified as Backdoor / RAT affecting Windows systems. Observed family traits indicate possible remote-control or command activity. The available profile suggests possible browser, credential, or authentication-data exposure. Persistence-related behavior may help some variants remain active after restart. External network communication may be part of the family’s operation. Individual samples can differ, so this summary should be treated as a family-level research assessment rather than a verdict about every file.
ASR Behavior Intelligence™
The strongest behavior theme inferred from the current family profile.
Recommended first-response focus for support and IT teams.
Individual samples may differ; this is a family-level intelligence view.
ASR Attack Flow™
Delivery
A malicious file or link may reach a user through email, a deceptive download, a fake update, or an untrusted software bundle.
Interactive educational overview based on common behavior in this threat category. Individual samples may behave differently.
ASR Visual Intelligence™
Educational process-tree model based on common behavior in this category. It does not claim these exact process names exist in every sample.
Some malware variants attempt to remain active by changing startup settings, scheduled tasks, services, or registry locations.
The path is an educational communication model. It does not represent a live connection from the visitor’s device.
Potential targets vary by family and individual sample. The diagram summarizes common data-access categories, not confirmed behavior for every sample.
Threat DNA
How Users May Encounter It
Technical Behavior
IOC Intelligence
MITRE ATT&CK Research Status
MITRE ATT&CK techniques will be displayed only after they are supported by the dataset or a documented research source. This prevents unsupported security claims.
AI Threat Intelligence Center
Remcos family assessment
Remcos is classified as Backdoor / RAT affecting Windows systems. Observed family traits indicate possible remote-control or command activity. The available profile suggests possible browser, credential, or authentication-data exposure. Persistence-related behavior may help some variants remain active after restart. External network communication may be part of the family’s operation. Individual samples can differ, so this summary should be treated as a family-level research assessment rather than a verdict about every file.
What Users May Notice
System0.2%
Browser2.4%
Unknown process18.7%
Explorer1.1%
Security softwareEnabled
Unknown startup entryEnabled
Cloud syncEnabled
These are clearly labeled educational interface examples. Actual symptoms and screens vary by malware sample, operating system, and security product.
ASR Technical Sample Intelligence™
No SHA-256 value was included in this imported record.
No SHA-1 value was included in this imported record.
No MD5 value was included in this imported record.
Similarity hashes should be used for research and clustering only. They do not prove that two files are identical or from the same campaign.
A valid digital signature identifies a publisher and file integrity state, but it does not by itself guarantee that a file is safe.
ASR Live Intelligence™
ASR Intelligence Network™
Use the connected nodes to continue researching malware families with related classifications or behavior themes.
Review AI IntelligenceGlobal Intelligence Command Center
Threat Research Timeline
Safe Removal Guide
DisconnectedDisconnectDisconnect from the internet if suspicious activity is active.
Safe ModeRestart SafelyRestart and close unknown startup applications.
Full scan runningRun a Full ScanUse trusted and fully updated security software.
Review actionsRemove & ReviewRemove detections and inspect apps, extensions, and startup entries.
Up to dateRepair & ProtectUpdate Windows and change exposed passwords from a clean device.
Prevention Checklist
Threat Family Tree
This launch version shows verified classification relationships. Variant and campaign relationships will be added when supported by confirmed data.
Research Resources
Threat-specific citations and CVEs should be displayed only when they are verified and directly relevant to this family.
Frequently Asked Questions
Is Remcos dangerous?
It can be dangerous depending on the variant, payload, and system exposure. Treat it as a serious threat if detected.
Can Remcos steal passwords?
Some malware families in this category may attempt to access browser data, saved credentials, cookies, tokens, and sensitive files.
Does every sample behave the same way?
No. Malware families often contain multiple variants, so capabilities and impact can differ between individual samples.
Can this page confirm that my device is infected?
No. This page is educational research. A trusted security scan and qualified technical assessment are needed to evaluate a specific device.