GridinSoft Threat Intelligence
mrtstub.exe file report
Why it matters
Evidence available for this file
Latest status is clean for this hash.
First seen 2021-06-12 20:30:11 (4 years ago); latest analysis 2021-06-12 20:30:11 (4 years ago).
Company metadata: Microsoft Corporation. Product metadata: Malicious Software Removal Tool Update Stub.
Signed by Microsoft Corporation. ThreatInfo marks this publisher as trusted for this record.
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
- Confirm the hash and publisher match the expected software.
- Review the observed locations and signature information below.
- Rescan if the file was downloaded from an unknown source or appears in an unusual path.
File context
mrtstub.exe is a Windows file recorded in the ThreatInfo database. It is associated with Malicious Software Removal Tool Update Stub. The reported company name is Microsoft Corporation. The current detection status is Clean, based on the latest analysis from 2021-06-12 20:30:11 (4 years ago).
This record is currently marked as clean, but file reputation can depend on the exact path, hash, and source. Compare the MD5 and publisher data below with the file on your system.
File Details
| Product Name: | Malicious Software Removal Tool Update Stub |
| Company Name: | Microsoft Corporation |
| MD5: | 5747ca96dc3b96ff881652410a1495ff |
| Size: | 164 KB |
| First Published: | 2021-06-12 20:30:11 (4 years ago) |
| Latest Published: | 2021-06-12 20:30:11 (4 years ago) |
| Status: | Clean (on last analysis) | |
| Analysis Date: | 2021-06-12 20:30:11 (4 years ago) |
Overview
| Signed By: | Microsoft Corporation |
| Status: | Trusted Publisher |
ThreatInfo marks this publisher as trusted for this record, but the file hash and source should still match the expected software distribution.
Common Places:
| %sysdrive%\$recycle.bin\s-1-5-21-1661567737-1843667528-3028406322-1000 |
ThreatInfo has observed mrtstub.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.
Geographic signal
Observed country distribution
ThreatInfo has seen mrtstub.exe across 1 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Egypt with 100.0% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.
OS Version:
The most common operating system signal for mrtstub.exe is Windows 7 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.
Analysis
mrtstub.exe is identified as pe for 32-bit systems. The subsystem is Windows GUI. PE header values are useful for triage, especially when they do not match the expected publisher, product, or release timeline.
PE Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
85fec75c51426a4c498610e765cc7c76
9f23692a98ee8e54373c1a13f1fb2a97
4103a03222f82fa771bdd22b4c7a151d
2ba6769dc3b360b1460f6c3e96f673d5
fcbdd0f77f7e8ffd02601fc6ffec4616
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
This hash is currently recorded as clean
Use the MD5, publisher, signature, and observed paths in this report to verify that the file on your device is the same copy described here.