GridinSoft Threat Intelligence
corelib.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
Potentially unwanted programs, bundlers, installers, and utilities with intrusive behavior. Related PUP reports help compare this file with nearby detections, publishers, and hashes.
First seen 2018-11-09 03:13:18 (7 years ago); latest analysis 2021-03-26 21:54:05 (5 years ago).
Product metadata: ICQ CORE.
Signed by LLC Mail.Ru. The signature is reported as valid, but signed files can still be bundled or abused.
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
- Use the hash and metadata below to verify the exact file identity.
- Review publisher, signature, paths, and PE details for inconsistencies.
- Run a local scan if the file appears unexpectedly or starts with Windows.
File context
corelib.dll is a Windows file recorded in the ThreatInfo database. It is associated with ICQ CORE. The current detection status is Undefined, based on the latest analysis from 2021-03-26 21:54:05 (5 years ago). ThreatInfo groups this verdict with PUP reports for broader family-level investigation.
ThreatInfo does not have a final classification for this file yet. Use the technical details below to compare the hash, size, signature, and observed locations with the copy found on your device.
File Details
| Product Name: | ICQ CORE |
| MD5: | d275e55d215c69f39356a861caec94cb |
| Size: | 4 MB |
| First Published: | 2018-11-09 03:13:18 (7 years ago) |
| Latest Published: | 2021-03-26 21:54:05 (5 years ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2021-03-26 21:54:05 (5 years ago) |
Overview
| Signed By: | LLC Mail.Ru |
| Status: | Valid |
The signature on corelib.dll 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.
Common Places:
| %appdata%\mail.ru\agent\updates |
| %appdata%\mail.ru\agent |
| %profile%\дминистратор\application data\mail.ru\agent |
| %sysdrive%\adwcleaner\quarantine\v1\20181205.222547\1\mail.ru\agent |
| %programfiles% |
ThreatInfo has observed corelib.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 corelib.dll across 5 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 83.3% 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 corelib.dll is Windows 7 with 50.0% 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
corelib.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.
5f63cee193f980aa3ed469ae2acbfbbb
32b27759bbe46319d10ccf9cb764da4f
098d18bd7b28e1e26d752d4a32c22498
4f82594987ccf3756361e5897e57fdeb
35a34afaaca1929e93684e075a8353b4
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 file is still under review
ThreatInfo has not assigned a final verdict yet. Compare the file hash, location, signature, and publisher before trusting the file on a production system.