GridinSoft Threat Intelligence
System.dll threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as Spy.Vidar. 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
- Spy.Vidar
- Recommended action
- Scan and remove
- Last analysis
- 2023-08-09 23:08:18 (2 years ago)
- File hash
- 4c5224e4f952e1acdabad64fc143e04e
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Spy.Vidar, part of the Spy threat category.
Monitoring components that collect activity, system data, or user information. Related Spy reports help compare this file with nearby detections, publishers, and hashes.
First seen 2023-08-03 23:31:33 (2 years ago); latest analysis 2023-08-09 23:08:18 (2 years ago).
Company metadata: Mono development team. Product metadata: Mono Common Language Infrastructure.
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
- 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 Spy category for related samples and common context.
File context
System.dll is a Windows file recorded in the ThreatInfo database. It is associated with Mono Common Language Infrastructure. The reported company name is Mono development team. The current detection status is Spy.Vidar, based on the latest analysis from 2023-08-09 23:08:18 (2 years ago). ThreatInfo groups this verdict with Spy reports for broader family-level investigation.
If System.dll 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 Spy.Vidar.
File Details
| Product Name: | Mono Common Language Infrastructure |
| Company Name: | Mono development team |
| MD5: | 4c5224e4f952e1acdabad64fc143e04e |
| Size: | 1 MB |
| First Published: | 2023-08-03 23:31:33 (2 years ago) |
| Latest Published: | 2023-08-09 23:08:18 (2 years ago) |
| Status: | Spy.Vidar (on last analysis) | |
| Analysis Date: | 2023-08-09 23:08:18 (2 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.
Common Places:
| %desktop%\steamcmd\steamapps\common\valheim dedicated server\valheim_server_data |
| %sysdrive%\steam\steamapps\common\valheim\valheim_data |
| %programfiles%\steam\steamapps\common\valheim\valheim_data |
ThreatInfo has observed System.dll 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 System.dll across 2 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Russia with 66.7% 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 System.dll 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
System.dll is identified as pe for 32-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.
PE Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
d6b2520efadd69ff8ad688c34efcf895
35e137b4de599790c357e1fb0ae01503
0ae3bdd9177b5528fc642508ed9ccd18
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 Spy.Vidar
This report identifies System.dll by MD5 4c5224e4f952e1acdabad64fc143e04e. It is part of the Spy 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.