GridinSoft Threat Intelligence
block_reader.sys threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as Risk.Gen. 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
- Risk.Gen
- Recommended action
- Scan and remove
- Last analysis
- 2021-10-15 20:47:45 (4 years ago)
- File hash
- 0548f989314171901a9b8570b253c2e8
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Risk.Gen, part of the Risk threat category.
Riskware and dual-use utilities that may be legitimate but require careful review. Related Risk reports help compare this file with nearby detections, publishers, and hashes.
First seen 2017-06-13 02:06:34 (8 years ago); latest analysis 2021-10-15 20:47:45 (4 years ago).
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 Risk category for related samples and common context.
File context
block_reader.sys is a Windows file recorded in the ThreatInfo database. The current detection status is Risk.Gen, based on the latest analysis from 2021-10-15 20:47:45 (4 years ago). ThreatInfo groups this verdict with Risk reports for broader family-level investigation.
If block_reader.sys 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 Risk.Gen.
File Details
| MD5: | 0548f989314171901a9b8570b253c2e8 |
| Size: | 2 KB |
| First Published: | 2017-06-13 02:06:34 (8 years ago) |
| Latest Published: | 2021-10-15 20:47:45 (4 years ago) |
| Status: | Risk.Gen (on last analysis) | |
| Analysis Date: | 2021-10-15 20:47:45 (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.
Common Places:
| %programfiles%\total commander\utilites\mpr |
| %programfiles%\total commander\utilites |
| %sysdrive%\tcpu71\programm |
| %programfiles% |
| %programfiles%\tcm\programm |
ThreatInfo has observed block_reader.sys 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 block_reader.sys across 4 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Russian Federation with 50.0% 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 block_reader.sys is Windows 10 with 60.0% 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
block_reader.sys is identified as pe for 32-bit systems. The subsystem is Native. 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.
4e14528339e373aff3aa711a811847fa
e60750c95e192340c525dbcb74d2d540
1f558917e0b83de44fffa4db41aab932
697096d96d66867d366955577ef21ab8
b796588388b05ffc6084c6022db1922f
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 Risk.Gen
This report identifies block_reader.sys by MD5 0548f989314171901a9b8570b253c2e8. It is part of the Risk 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.