GridinSoft Threat Intelligence
JkDefragLib.dll threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as Trojan.DelShad. 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
- Trojan.DelShad
- Recommended action
- Scan and remove
- Last analysis
- 2023-09-26 23:53:01 (2 years ago)
- File hash
- 19061ba2d02d05970435d8312dccf908
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Trojan.DelShad, part of the Trojan threat category.
Malware disguised as legitimate software or delivered through deceptive packaging. Related Trojan reports help compare this file with nearby detections, publishers, and hashes.
First seen 2023-09-26 23:53:01 (2 years ago); latest analysis 2023-09-26 23:53:01 (2 years ago).
Company metadata: J.C. Kessels. Product metadata: JkDefrag.
Signed by Activewave Interact, Inc.. 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 Trojan category for related samples and common context.
File context
JkDefragLib.dll is a Windows file recorded in the ThreatInfo database. It is associated with JkDefrag. The reported company name is J.C. Kessels. The current detection status is Trojan.DelShad, based on the latest analysis from 2023-09-26 23:53:01 (2 years ago). ThreatInfo groups this verdict with Trojan reports for broader family-level investigation.
If JkDefragLib.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 Trojan.DelShad.
File Details
| Product Name: | JkDefrag |
| Company Name: | J.C. Kessels |
| MD5: | 19061ba2d02d05970435d8312dccf908 |
| Size: | 200 KB |
| First Published: | 2023-09-26 23:53:01 (2 years ago) |
| Latest Published: | 2023-09-26 23:53:01 (2 years ago) |
| Status: | Trojan.DelShad (on last analysis) | |
| Analysis Date: | 2023-09-26 23:53:01 (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.
Overview
| Signed By: | Activewave Interact, Inc. |
| Status: | Valid |
The signature on JkDefragLib.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:
| %desktop% |
ThreatInfo has observed JkDefragLib.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 JkDefragLib.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 Japan 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 JkDefragLib.dll is Windows 7 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
JkDefragLib.dll is identified as pe for 32-bit systems. The subsystem is Windows GUI. 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.
4d3dc0068c6f5f5c89c333abf5b39118
f61fabda5e4804b3383b78917fbe7776
d1dbf5d7748642c732c6c5f93b69a430
92e44d861e16516ca6ef52004513f6d5
7d56412171b998835b928d8747d80c24
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 Trojan.DelShad
This report identifies JkDefragLib.dll by MD5 19061ba2d02d05970435d8312dccf908. It is part of the Trojan 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.