GridinSoft Threat Intelligence

ReFsDedupSvc.exe threat report

Detected as Trojan.Heur! File reputation report
MD5 736f4795539120715a9a0fbceed88086
Latest seen 2026-05-20 21:00:38 (a week ago)
First seen 2026-05-20 21:00:38 (a week ago)
Size 2 MB

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as Trojan.Heur!. Download GridinSoft Anti-Malware to scan the device, confirm whether this file is present, and remove the detected object if it is found.

Detection name
Trojan.Heur!
Recommended action
Scan and remove
Last analysis
2026-05-20 21:00:38 (a week ago)
File hash
736f4795539120715a9a0fbceed88086
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as Trojan.Heur!, part of the Trojan threat category.

Category context

Malware disguised as legitimate software or delivered through deceptive packaging. Related Trojan reports help compare this file with nearby detections, publishers, and hashes.

Timeline

First seen 2026-05-20 21:00:38 (a week ago); latest analysis 2026-05-20 21:00:38 (a week ago).

Publisher context

Company metadata: Microsoft Corporation. Product metadata: Microsoft® Windows® Operating System.

Observed locations

ThreatInfo has seen this file in user or system paths listed below. Unexpected locations increase the need for local verification.

Recommended action

What to do next

  1. Compare the MD5 above with the file found on the device.
  2. Check whether the file appears in the observed locations or under one of the alternate names.
  3. Run GridinSoft Anti-Malware to confirm the detection and remove the file if it is present. Review the Trojan category for related samples and common context.

ReFsDedupSvc.exe is a Windows file recorded in the ThreatInfo database. It is associated with Microsoft® Windows® Operating System. The reported company name is Microsoft Corporation. The current detection status is Trojan.Heur!, based on the latest analysis from 2026-05-20 21:00:38 (a week ago). ThreatInfo groups this verdict with Trojan reports for broader family-level investigation.

If ReFsDedupSvc.exe appears on your computer unexpectedly, treat it as suspicious. Check its location, digital signature, and recent system changes before allowing it to run. A full anti-malware scan is recommended when this file is detected as Trojan.Heur!.

Product Name: Microsoft® Windows® Operating System
Company Name: Microsoft Corporation
MD5: 736f4795539120715a9a0fbceed88086
Size: 2 MB
First Published: 2026-05-20 21:00:38 (a week ago)
Latest Published: 2026-05-20 21:00:38 (a week ago)
Status: Trojan.Heur! (on last analysis)
Analysis Date: 2026-05-20 21:00:38 (a week ago)
ReFsDedupSvc.exe detection screenshot

The screenshot is a visual record of a GridinSoft Anti-Malware detection for this sample. Use the hash and metadata above as the primary identifiers when comparing the file on your system.

%system%

ThreatInfo has observed ReFsDedupSvc.exe in the locations listed above. Files found in temporary folders, user profile folders, startup locations, or unusual application directories should be reviewed more carefully than files installed under a known program directory.

Windows 10 100.0%

The most common operating system signal for ReFsDedupSvc.exe is Windows 10 with 100.0% of observed hits. If your system differs from the common profile, check whether the file was introduced by a specific installer, archive, or removable device.

ReFsDedupSvc.exe is identified as pe for 64-bit systems. The subsystem is Windows CUI. PE header values are useful for triage, especially when they do not match the expected publisher, product, or release timeline.

Format pe
Architecture 64-bit
Subsystem Windows CUI
Entry point 0x00004020
Image base 0x0000000140000000

PE Sections:

Sections 7
Raw data 2752512

Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.

.text 1683456 bytes · 61.2% of section data
MD5 f4af0114de3a4b21fe2c96d5537b2b1b
fothk 4096 bytes · 0.1% of section data
Uncommon name
MD5 bacda5effa90b81b636fa9955d3e8d68
.rdata 393216 bytes · 14.3% of section data
MD5 0312ec5384bbf3116d86ea011de2fd2b
.data 8192 bytes · 0.3% of section data
MD5 d747d854b3bddf89e5bcf1a5def9ff1b
.pdata 65536 bytes · 2.4% of section data
MD5 67d012376428d65a145b947e0c0becb1
.rsrc 12288 bytes · 0.4% of section data
MD5 0a19b644b5a8cd6cc431403ed7de6f91
.reloc 585728 bytes · 21.3% of section data
MD5 3d3015aa433cbe538a9f724993a57f7c

PE section names and hashes can reveal packing, injected resources, or unusual build artifacts. Sections with uncommon names, very large raw data, or hashes that differ from a trusted copy deserve additional review.

Report conclusion

GridinSoft detects this file as Trojan.Heur!

This report identifies ReFsDedupSvc.exe by MD5 736f4795539120715a9a0fbceed88086. It is part of the Trojan report group. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.

Download GridinSoft Anti-Malware Scan the device and confirm whether this exact hash is present. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with 736f4795539120715a9a0fbceed88086.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan and remove the object if the same hash is found. Use the Trojan category to compare similar reports.