GridinSoft Threat Intelligence

steam_api.dll threat report

Detected as Trojan.Agent File reputation report
MD5 8c87ba3c62c894967e8fa8af5f1a7c80
Latest seen 2021-07-10 20:59:35 (4 years ago)
First seen 2017-05-31 05:27:07 (8 years ago)
Size 673 KB
Publisher Valve Corporation
Product Steam Client API

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as Trojan.Agent. 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.Agent
Recommended action
Scan and remove
Last analysis
2021-07-10 20:59:35 (4 years ago)
File hash
8c87ba3c62c894967e8fa8af5f1a7c80
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as Trojan.Agent.

Timeline

First seen 2017-05-31 05:27:07 (8 years ago); latest analysis 2021-07-10 20:59:35 (4 years ago).

Publisher context

Company metadata: Valve Corporation. Product metadata: Steam Client API.

Observed locations

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

  1. Compare the MD5 above with the file found on the device.
  2. Check whether the file appears in the observed locations or under one of the alternate names.
  3. 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.Agent, based on the latest analysis from 2021-07-10 20:59:35 (4 years 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.Agent.

File Details

Product Name: Steam Client API
Company Name: Valve Corporation
MD5: 8c87ba3c62c894967e8fa8af5f1a7c80
Size: 673 KB
First Published: 2017-05-31 05:27:07 (8 years ago)
Latest Published: 2021-07-10 20:59:35 (4 years ago)
Status: Trojan.Agent (on last analysis)
Analysis Date: 2021-07-10 20:59:35 (4 years ago)

Detection screenshot

steam_api.dll 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:

%sysdrive%\bt遊戲\homeworld.remastered.collection.full.pack-ali213\homeworld\homeworld2classic\bin
%sysdrive%\bt遊戲\homeworld.remastered.collection.full.pack-ali213\homeworld\homeworld1classic
%sysdrive%\bt遊戲\homeworld.remastered.collection.full.pack-ali213\homeworld\homeworldrm\bin
%sysdrive%\bt遊戲\homeworld.remastered.collection.full.pack-ali213\homeworld
%sysdrive%\game\flighting 7
%sysdrive%\三國無雙7
%sysdrive%
%programfiles%
%programfiles%\resident evil revelations 2 complete season\!extras\available cracks
%profile%\downloads

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.

Geography:

13 observed countries
34.8%
23.9%
10.9%
8.7%
4.3%
2.2%
2.2%
2.2%
2.2%
2.2%
2.2%
2.2%
2.2%

The strongest geographic signal for this file is Taiwan with 34.8% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

OS Version:

Windows 10 66.7%
Windows 7 27.1%
Windows 8.1 6.3%

The most common operating system signal for steam_api.dll is Windows 10 with 66.7% 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.

Format pe
Architecture 32-bit
Subsystem Windows GUI
Entry point 0x00b42b1b
Image base 0x10000000

PE Sections:

Sections 7
Raw data 688640

Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.

.text 0 bytes · 0.0% of section data
MD5 00000000000000000000000000000000
.rdata 0 bytes · 0.0% of section data
MD5 00000000000000000000000000000000
.data 0 bytes · 0.0% of section data
MD5 00000000000000000000000000000000
.ALI2130 0 bytes · 0.0% of section data
Uncommon name
MD5 00000000000000000000000000000000
.ALI2131 686592 bytes · 99.7% of section data
Uncommon name
MD5 b915f13fcd0b3d0b6691558e423f2b05
.reloc 512 bytes · 0.1% of section data
MD5 fc3946cbdc414b4c15493eace246d8d1
.rsrc 1536 bytes · 0.2% of section data
MD5 ffa9cd16a797822963d89be05ba5a179

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.Agent

This report identifies steam_api.dll by MD5 8c87ba3c62c894967e8fa8af5f1a7c80. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.

Download GridinSoft Anti-Malware Scan the device and confirm whether this exact hash is present. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with 8c87ba3c62c894967e8fa8af5f1a7c80.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan and remove the object if the same hash is found.