GridinSoft Threat Intelligence
unrar.dll threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as Adware.Wews87. 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
- Adware.Wews87
- Recommended action
- Scan and remove
- Last analysis
- 2021-03-26 21:29:40 (5 years ago)
- File hash
- 1ce4b25abcb97d24f617b420a38d2c6b
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Adware.Wews87, part of the Adware threat category.
Programs that inject advertising, change browser behavior, or monetize traffic through bundled components. Related Adware reports help compare this file with nearby detections, publishers, and hashes.
First seen 2021-03-26 21:29:40 (5 years ago); latest analysis 2021-03-26 21:29:40 (5 years ago).
Company metadata: Alexander Roshal. Product metadata: RAR decompression library.
Signed by 北京逗游网络技术有限公司. The signature is not reported as trusted and valid, which can indicate tampering, repackaging, or copied publisher data.
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 Adware category for related samples and common context.
File context
unrar.dll is a Windows file recorded in the ThreatInfo database. It is associated with RAR decompression library. The reported company name is Alexander Roshal. The current detection status is Adware.Wews87, based on the latest analysis from 2021-03-26 21:29:40 (5 years ago). ThreatInfo groups this verdict with Adware reports for broader family-level investigation.
If unrar.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 Adware.Wews87.
File Details
| Product Name: | RAR decompression library |
| Company Name: | Alexander Roshal |
| MD5: | 1ce4b25abcb97d24f617b420a38d2c6b |
| Size: | 265 KB |
| First Published: | 2021-03-26 21:29:40 (5 years ago) |
| Latest Published: | 2021-03-26 21:29:40 (5 years ago) |
| Status: | Adware.Wews87 (on last analysis) | |
| Analysis Date: | 2021-03-26 21:29:40 (5 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: | 北京逗游网络技术有限公司 |
| Status: | Invalid (digital signature could be stolen or file could be patched) |
The signature on unrar.dll is not reported as trusted and valid. Invalid or suspicious signature data can indicate tampering, repackaging, or an unrelated file using copied publisher information.
Common Places:
| %temp% |
ThreatInfo has observed unrar.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 unrar.dll 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 Hong Kong 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 unrar.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
unrar.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.
509be2f640aae1df3aa7b6829be3901f
e53b927704765e6eb2bd27f09c063ecb
c5f432ef3da1e799aa075ace3e77c96d
b1c330e5f865b8fde1e0874f19965068
1f354d76203061bfdd5a53dae48d5435
b90fca072901791f9da64196d05f2e36
4fc3dd38345af1160b083d2a97541b6d
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 Adware.Wews87
This report identifies unrar.dll by MD5 1ce4b25abcb97d24f617b420a38d2c6b. It is part of the Adware 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.