GridinSoft Threat Intelligence
JkDefragScreenSaver.exe 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
- 2023-07-01 23:36:10 (2 years ago)
- File hash
- cf1865b726443bc91d456ce257c6556e
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 2023-07-01 23:35:21 (2 years ago); latest analysis 2023-07-01 23:36:10 (2 years ago).
Company metadata: J.C. Kessels. Product metadata: JkDefrag.
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
JkDefragScreenSaver.exe 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 2023-07-01 23:36:10 (2 years ago). ThreatInfo groups this verdict with Trojan reports for broader family-level investigation.
If JkDefragScreenSaver.exe 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: | cf1865b726443bc91d456ce257c6556e |
| Size: | 233 KB |
| First Published: | 2023-07-01 23:35:21 (2 years ago) |
| Latest Published: | 2023-07-01 23:36:10 (2 years ago) |
| Status: | Trojan.DelShad (on last analysis) | |
| Analysis Date: | 2023-07-01 23:36:10 (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.
Common Places:
| %mydoc%\computer-repair-utility-kit-v2\file management\jkdefrag gui |
| %mydoc%\acasa1\computer-repair-utility-kit-v2\file management\jkdefrag gui |
ThreatInfo has observed JkDefragScreenSaver.exe 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 JkDefragScreenSaver.exe 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 United States 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 JkDefragScreenSaver.exe 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
JkDefragScreenSaver.exe 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.
ccc1c91340467becc2eebcc5b7fb83be
bd99ea5ce5187122a6dc061ef4072509
3eb98a1082f41c91d082c06da4bc74b3
1edebb6fb9c2f7ff9994722f8e74f85c
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 JkDefragScreenSaver.exe by MD5 cf1865b726443bc91d456ce257c6556e. 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.