GridinSoft Threat Intelligence
OSKLauncher.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.Wacatac. 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.Wacatac
- Recommended action
- Scan and remove
- Last analysis
- 2026-05-26 16:00:39 (a day ago)
- File hash
- e5539b991f3f9e287ccb70085fcba618
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Trojan.Wacatac, 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 2024-01-23 23:01:50 (2 years ago); latest analysis 2026-05-26 16:00:39 (a day ago).
Company metadata: PortableApps.com.
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
OSKLauncher.exe is a Windows file recorded in the ThreatInfo database. The reported company name is PortableApps.com. The current detection status is Trojan.Wacatac, based on the latest analysis from 2026-05-26 16:00:39 (a day ago). ThreatInfo groups this verdict with Trojan reports for broader family-level investigation.
If OSKLauncher.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.Wacatac.
File Details
| Company Name: | PortableApps.com |
| MD5: | e5539b991f3f9e287ccb70085fcba618 |
| Size: | 218 KB |
| First Published: | 2024-01-23 23:01:50 (2 years ago) |
| Latest Published: | 2026-05-26 16:00:39 (a day ago) |
| Status: | Trojan.Wacatac (on last analysis) | |
| Analysis Date: | 2026-05-26 16:00:39 (a day 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:
| %desktop%\medicat.usb.v21.12\portableapps\on-screenkeyboardportable\app |
| %desktop%\otro dico duro\portableapps\on-screenkeyboardportable\app |
| %mydoc%\torenty\medicat usb v21.12\medicat.usb.v21.12\portableapps\on-screenkeyboardportable\app |
| %sysdrive%\descargas\medicat usb v21.12\medicat.usb.v21.12\portableapps\on-screenkeyboardportable\app |
| %desktop%\install\portapps_platform.full\portableapps\on-screenkeyboardportable\app |
| %sysdrive%\portableapps\on-screenkeyboardportable\app |
ThreatInfo has observed OSKLauncher.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 OSKLauncher.exe across 6 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Argentina with 16.7% 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 OSKLauncher.exe is Windows 10 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
OSKLauncher.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.
8e77c5a63765a71f7be4d8fed7498e71
3e329a391850b0835c77687c1916fbac
3c4ce957a7f536fd760d998ca537136c
d41d8cd98f00b204e9800998ecf8427e
b03a1fc14fd7a9040a3df9b168e34642
2bd373396399b1701b9fc134394684d1
d41d8cd98f00b204e9800998ecf8427e
95fc484d594e55efbe4456ee65ff655c
13a95890b5f0947d6f058ca9c30a3e01
7109005321c845c2d2beaece3ec030b2
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.Wacatac
This report identifies OSKLauncher.exe by MD5 e5539b991f3f9e287ccb70085fcba618. 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.