GridinSoft Threat Intelligence
steam_api.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.Heur!. 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.Heur!
- Recommended action
- Scan and remove
- Last analysis
- 2025-03-06 23:03:52 (a year ago)
- File hash
- df18c676835062a4d55bdce3f076411b
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Trojan.Heur!.
First seen 2020-04-02 20:40:26 (6 years ago); latest analysis 2025-03-06 23:03:52 (a year ago).
Company metadata: Valve Corporation. Product metadata: Steam Client API.
Signed by Valve. The signature is not reported as trusted and valid, which can indicate tampering, repackaging, or copied publisher data.
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.
File context
steam_api.dll is a Windows file recorded in the ThreatInfo database. It is associated with Steam Client API. The reported company name is Valve Corporation. The current detection status is Trojan.Heur!, based on the latest analysis from 2025-03-06 23:03:52 (a year ago).
If steam_api.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.Heur!.
File Details
| Product Name: | Steam Client API |
| Company Name: | Valve Corporation |
| MD5: | df18c676835062a4d55bdce3f076411b |
| Size: | 315 KB |
| First Published: | 2020-04-02 20:40:26 (6 years ago) |
| Latest Published: | 2025-03-06 23:03:52 (a year ago) |
| Status: | Trojan.Heur! (on last analysis) | |
| Analysis Date: | 2025-03-06 23:03:52 (a year 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: | Valve |
| Status: | Invalid (digital signature could be stolen or file could be patched) |
The signature on steam_api.dll is not reported as trusted and valid. Invalid or suspicious signature data can indicate tampering, repackaging, or an unrelated file using copied publisher information.
Common Places:
| %sysdrive% |
| %sysdrive%\op4 |
| %sysdrive%\games |
| %sysdrive%\games\rocket league\binaries |
| %sysdrive%\games\dwarf shop v1.3\dwarf shop_data |
| %programfiles%\rocket league rocket pass 6\binaries |
| %profile%\downloads\one.piece.pirate.warriors.4-codex |
| %sysdrive%\games\neverwinter nights enhanced edition\bin |
| %sysdrive%\games\hero siege season 9 |
| %sysdrive%\games\rocket league rocket pass 6\binaries |
ThreatInfo has observed steam_api.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 steam_api.dll across 27 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Taiwan with 12.5% 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 steam_api.dll 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
steam_api.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.
00000000000000000000000000000000
90f32cd3ae0e2fe31f2ef8dd2f1492f4
2c418d29f05694899c4674fac031f9cb
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.Heur!
This report identifies steam_api.dll by MD5 df18c676835062a4d55bdce3f076411b. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.