GridinSoft Threat Intelligence
corelib.dll threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as PUP.MailRu. 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
- PUP.MailRu
- Recommended action
- Scan and remove
- Last analysis
- 2023-01-12 23:06:05 (3 years ago)
- File hash
- d606eda8093f6ade6c848d98da6500fa
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as PUP.MailRu, part of the PUP threat category.
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 2018-11-12 17:05:51 (7 years ago); latest analysis 2023-01-12 23:06:05 (3 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
- 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 PUP category for related samples and common context.
File context
corelib.dll is a Windows file recorded in the ThreatInfo database. It is associated with ICQ CORE. The current detection status is PUP.MailRu, based on the latest analysis from 2023-01-12 23:06:05 (3 years ago). ThreatInfo groups this verdict with PUP reports for broader family-level investigation.
If corelib.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 PUP.MailRu.
File Details
| Product Name: | ICQ CORE |
| MD5: | d606eda8093f6ade6c848d98da6500fa |
| Size: | 4 MB |
| First Published: | 2018-11-12 17:05:51 (7 years ago) |
| Latest Published: | 2023-01-12 23:06:05 (3 years ago) |
| Status: | PUP.MailRu (on last analysis) | |
| Analysis Date: | 2023-01-12 23:06:05 (3 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: | 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%\icq |
| %sysdrive%\appdata\icq\updates |
| %appdata%\icq\updates |
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 10 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 62.5% 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 10 with 51.5% 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.
d74a9b632544b536d026f2e95273fc9d
c641ef9450db697ccd421a8a35a91b91
17c15812bbd230a7c7efdcfbc68494fa
68ff46707ecb0c8e02e062d28f35dca1
fbddf6e5c61f5df9f4bb5e85e171e1f1
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 PUP.MailRu
This report identifies corelib.dll by MD5 d606eda8093f6ade6c848d98da6500fa. It is part of the PUP 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.