GridinSoft Threat Intelligence
OSDownloader.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.Downloader. 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.Downloader
- Recommended action
- Scan and remove
- Last analysis
- 2026-05-20 10:00:37 (a week ago)
- File hash
- 55b656481bddb1ac1fe1a159470e60d2
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Trojan.Downloader, 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 2017-08-29 05:05:19 (8 years ago); latest analysis 2026-05-20 10:00:37 (a week ago).
Company metadata: OpenSubtitles.org. Product metadata: OSDownloader.
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
OSDownloader.exe is a Windows file recorded in the ThreatInfo database. It is associated with OSDownloader. The reported company name is OpenSubtitles.org. The current detection status is Trojan.Downloader, based on the latest analysis from 2026-05-20 10:00:37 (a week ago). ThreatInfo groups this verdict with Trojan reports for broader family-level investigation.
If OSDownloader.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.Downloader.
File Details
| Product Name: | OSDownloader |
| Company Name: | OpenSubtitles.org |
| MD5: | 55b656481bddb1ac1fe1a159470e60d2 |
| Size: | 5 MB |
| First Published: | 2017-08-29 05:05:19 (8 years ago) |
| Latest Published: | 2026-05-20 10:00:37 (a week ago) |
| Status: | Trojan.Downloader (on last analysis) | |
| Analysis Date: | 2026-05-20 10:00:37 (a week 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:
| %programfiles%\osdownloader |
| %programfiles% |
ThreatInfo has observed OSDownloader.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 OSDownloader.exe across 29 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Poland with 12.0% 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 OSDownloader.exe is Windows 10 with 74.5% 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
OSDownloader.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.
40af4013da2dd71376e80237cc9d4a17
d54b9ec68771da03c115d06163e667eb
7bdee5c437dbdf6b968fc662c5ff0afc
00000000000000000000000000000000
c203b3c4b776d2c35cf32dbb569d257b
edfdde75f102490cceec9401eed3e52b
352bd05b733bf4a6d2bcc58ea511a03a
00000000000000000000000000000000
86443d4422d9b38ac51124ef4c12f532
e7cb15b45e036ee53c0585b5da45f4e1
d83e14203189642e272a5475d392b4a1
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.Downloader
This report identifies OSDownloader.exe by MD5 55b656481bddb1ac1fe1a159470e60d2. 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.