GridinSoft Threat Intelligence
csrss.exe threat report
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Ransom.STOP, part of the Ransom threat category.
Ransomware families and files associated with encryption or extortion workflows. Related Ransom reports help compare this file with nearby detections, publishers, and hashes.
First seen 2021-11-15 21:56:39 (4 years ago); latest analysis 2021-11-15 21:56:39 (4 years ago).
Signed by 10306. The signature is reported as valid, but signed files can still be bundled or abused.
Recommended action
What to do next
- Compare the MD5 above with the file found on the device.
- Check whether the file appears in the observed locations or under one of the alternate names.
- Run GridinSoft Anti-Malware to confirm the detection and remove the file if it is present. Review the Ransom category for related samples and common context.
File context
csrss.exe is a Windows file recorded in the ThreatInfo database. The current detection status is Ransom.STOP, based on the latest analysis from 2021-11-15 21:56:39 (4 years ago). ThreatInfo groups this verdict with Ransom reports for broader family-level investigation.
If csrss.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 Ransom.STOP.
File Details
| MD5: | 3b5d6f7c41bf209a34ca0ad99429241a |
| Size: | 4 MB |
| First Published: | 2021-11-15 21:56:39 (4 years ago) |
| Latest Published: | 2021-11-15 21:56:39 (4 years ago) |
| Status: | Ransom.STOP (on last analysis) | |
| Analysis Date: | 2021-11-15 21:56:39 (4 years ago) |
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.
Overview
| Signed By: | 10306 |
| Status: | Valid |
The signature on csrss.exe is reported as valid. A valid signature helps confirm publisher identity, but it does not automatically make the file safe if the installer was bundled, abused, or downloaded from an untrusted source.
Geographic signal
Observed country distribution
ThreatInfo has seen csrss.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 Colombia 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 csrss.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.
Analysis
csrss.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.
ddac905d53e84de0b85d481ce99aa8b2
cd7f4e49f37f1f93a84ccc7b93c6eec3
31f4d68b7983e72ed590060eb33d28ee
df0f04e7c9f4e1127dc83613700927ec
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 Ransom.STOP
This report identifies csrss.exe by MD5 3b5d6f7c41bf209a34ca0ad99429241a. It is part of the Ransom 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.