GridinSoft Threat Intelligence
kill_wo4.exe threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as PUP.WinOptimizer. 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.WinOptimizer
- Recommended action
- Scan and remove
- Last analysis
- 2026-05-13 16:56:21 (2 weeks ago)
- File hash
- 17c7c45ef6f2994f3a91f378cd4f4d16
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as PUP.WinOptimizer, 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 2026-05-13 16:56:21 (2 weeks ago); latest analysis 2026-05-13 16:56:21 (2 weeks ago).
Signed by ashampoo GmbH & Co. KG. 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
kill_wo4.exe is a Windows file recorded in the ThreatInfo database. The current detection status is PUP.WinOptimizer, based on the latest analysis from 2026-05-13 16:56:21 (2 weeks ago). ThreatInfo groups this verdict with PUP reports for broader family-level investigation.
If kill_wo4.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 PUP.WinOptimizer.
File Details
| MD5: | 17c7c45ef6f2994f3a91f378cd4f4d16 |
| Size: | 548 KB |
| First Published: | 2026-05-13 16:56:21 (2 weeks ago) |
| Latest Published: | 2026-05-13 16:56:21 (2 weeks ago) |
| Status: | PUP.WinOptimizer (on last analysis) | |
| Analysis Date: | 2026-05-13 16:56:21 (2 weeks 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: | ashampoo GmbH & Co. KG |
| Status: | Valid |
The signature on kill_wo4.exe 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:
| %programfiles%\ashampoo |
ThreatInfo has observed kill_wo4.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 kill_wo4.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 Algeria 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 kill_wo4.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
kill_wo4.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.
03692e7d3beb6f5a41308bc51dd5ce51
cc64550570a36a5fcc2ee5624b84782b
08c69471831d6871d3ae83c8163a5bf4
d41d8cd98f00b204e9800998ecf8427e
4846abc5bcd89e52aef9b442d57b8eb4
d41d8cd98f00b204e9800998ecf8427e
b44ae6273eb75fc4d389e32d680838f9
01e5b3197394a53c4114927a1ee42bda
77e6efb11b8e45fec78381139432676d
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.WinOptimizer
This report identifies kill_wo4.exe by MD5 17c7c45ef6f2994f3a91f378cd4f4d16. 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.