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Steam_api.dll Trojan Packed Analysis

Updated 24 days ago
Checked by Malware Check
steam_api.dll

Technical Analysis

File Name steam_api.dll
File Type
PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
Scanner Version 1.0.231.174
Database Version 2025-12-15 15:00:38 UTC
⚠

Trojan.Win32.Packed.ns

Malware family: Packed

Packed malware uses compression, encryption, or obfuscation techniques to alter code appearance and evade security detection. These methods modify the original malware structure to bypass signature-based detection systems and complicate analysis efforts.
N/A
Detection Rate
858,112
File Size (bytes)
2025-12-15
Analysis Date

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File Identification

Hash Type Value Action
MD5
4161c07c05b0f08b5b0353b5d6f33252
SHA1
7e55a2b29b661cd241ef3d037b6a29be9bd47ce7
SHA256
3e2d758e6c0dde478554254ff58251422652a42d8e0bce9de803825408458fb4
SHA512
d33549bbee22eb1c3d43a652195993a8d976583175fb294a719746981c42b2074441448589dc95ad342c84f3e8e0a7691f01e8781e196b8fc7abb7699f44110b
ImpHash
ec87d5193450232f8d9c3af26e5994d6

PE Analysis

Basic Information

▼
Image Base 0x10000000
Entry Point 0x10cee124
Compilation Time 2017-01-11 02:40:19
Checksum 0x000df9f0 (Actual: 0x000df9f0)
OS Version 5.1
PEiD Signatures PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
Digital Signature No valid SignedData structure was found.
Imports 7 libraries
KERNEL32, USER32, ADVAPI32, SHELL32, WS2_32, WINHTTP, PSAPI
Exports 1018 functions
Resources 2 Resources
Sections 7 Sections

Version Information

▼
Comments Valve SpecialBuild
CompanyName Valve Corporation
FileDescription Steam Client API
FileVersion 03.75.32.07
InternalName Steam Client API (buildbot_steam-relclient-win32-builder_steam_rel_client_win32@steam-relclient-win32-builder)
LegalCopyright Copyright (C) 2007
OriginalFilename steam_api.dll
ProductName Steam Client API
ProductVersion 01.00.00.01
Source Control ID 3753207
Translation 0x0804 0x04b0

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 377,364 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ D41D8CD98F00B204E9800998ECF8427E
.rdata 0x0005e000 182,456 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ D41D8CD98F00B204E9800998ECF8427E
.data 0x0008b000 11,508,292 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE D41D8CD98F00B204E9800998ECF8427E
.ALI2130 0x00b85000 647,140 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ D41D8CD98F00B204E9800998ECF8427E
.ALI2131 0x00c23000 854,296 bytes 854,528 bytes 7.97 (Packed/Encrypted) IMAGE_SCN_CNT_CODE|IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 7D9BBF9512611C4DF795EB050F88FC0A
.reloc 0x00cf4000 272 bytes 512 bytes 3.34 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 837C3C6C6ACE49BA5965028FFD0004BD
.rsrc 0x00cf5000 1,578 bytes 2,048 bytes 3.36 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ EC5E73A32B248CE15E09B346FF6C9D17
Entropy Analysis Alert

1 section(s) with high entropy (≥7.5) detected - possible packing/encryption

Resource Analysis

▼
Total Resources: 2 (1,418 bytes)
Resource Type Count Total Size Percentage
RT_VERSION 1 1,072 bytes
75.6%
RT_MANIFEST 1 346 bytes
24.4%

Certificate Chain Analysis

▼
No Digital Signatures

This file is not digitally signed.

Security Implications:
  • Cannot verify the publisher's identity
  • Increased security risk when running this file
  • May trigger security warnings on some systems

⚠ This file either lacks a digital signature or the certificate chain could not be verified
Exercise caution when executing unsigned files from unknown sources

Certificate Verification Status

No valid SignedData structure was found.

Recommendation: Verify the file source and ensure it comes from a trusted publisher.

Trojan.Win32.Packed.ns Removal

Gridinsoft has the capability to identify and eliminate Trojan.Win32.Packed.ns without requiring further user intervention.

Download Anti-Malware

Removal Instructions

Follow these steps to completely remove the threat from your system

  1. Start by downloading Gridinsoft Anti-Malware to your computer.
  2. Double-click on the gsam-en-install.exe file and follow the on-screen instructions to install the program.
  3. Once the installation of Gridinsoft Anti-Malware is complete, the program will open on the Scan screen.
  4. Click on the "Standard Scan" button to begin scanning your computer for threats.
  5. After the scanning process is finished, click on "Clean Now" to remove any detected threats.
  6. If prompted, restart your system to complete the removal process and ensure all threats are eliminated.
Important: Before You Start
Disconnect from the internet to prevent the malware from spreading or downloading additional threats. Run the scan in Safe Mode for better detection and removal of persistent threats.

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