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Steam_api64.dll Malware Downloader Analysis

Updated 1 year ago
Checked by Malaware Check
steam_api64.dll

Technical Analysis

File Name steam_api64.dll
File Type
PE32+ executable (DLL) (GUI) x86-64, for MS Windows
Scanner Version 1.0.152.174
Database Version 2023-12-23 19:02:15 UTC
⚠

Malware.Win64.Downloader.cc

Malware family: Downloader

Downloader Trojans specialize in retrieving and installing additional malware payloads. Unlike comprehensive malware, they focus specifically on payload delivery rather than direct system damage.
N/A
Detection Rate
3,533,312
File Size (bytes)
2023-12-23
Analysis Date

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File Identification

Hash Type Value Action
MD5
0276b122929fcd74fee949142d65f6a2
SHA1
6ea54b8c1f983419370dd32d1bf712bf7a067aff
SHA256
1f6781071f396868642ac96e6b17d3f9fec0eb5b2f3b5537c524e8595dc9cab8
SHA512
ccf149fc3f04d7f55e19bc2801105d7f7d0b7a5cb41897c355b44dd48e746a0cdb8701b33863d837bc3aa8d9545122a630abe6e47d1971f04589eeab840983af
ImpHash
b002b0238d9d8895d9baf8b880c22e87

PE Analysis

Basic Information

▼
Image Base 0x180000000
Entry Point 0x180eb2d04
Compilation Time 2019-07-30 04:36:12
Checksum 0x00360803 (Actual: 0x00360803)
OS Version 5.2
PEiD Signatures PE32+ executable (DLL) (GUI) x86-64, for MS Windows
Digital Signature The PE file does not contain a certificate table.
Imports 10 libraries
KERNEL32, USER32, ADVAPI32, SHELL32, ole32, WS2_32, WINHTTP, SHLWAPI, PSAPI, bcrypt
Exports 1100 functions
Resources 2 Resources
Sections 8 Sections

Version Information

▼
Comments Valve SpecialBuild
CompanyName Valve Corporation
FileDescription Steam Client API
FileVersion 05.25.65.21
InternalName Steam Client API (buildbot_steam-relclient-win64-builder_steam_rel_client_win64@steam-relclient-win64-builder)
LegalCopyright Copyright (C) 2007
OriginalFilename steam_api.dll
ProductName Steam Client API
ProductVersion 01.00.00.01
Source Control ID 5256521
Translation 0x0804 0x04b0

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 432,170 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ D41D8CD98F00B204E9800998ECF8427E
.rdata 0x0006b000 227,097 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ D41D8CD98F00B204E9800998ECF8427E
.data 0x000a3000 11,373,636 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE D41D8CD98F00B204E9800998ECF8427E
.pdata 0x00b7c000 35,088 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ D41D8CD98F00B204E9800998ECF8427E
.UPX0 0x00b85000 1,494,843 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ D41D8CD98F00B204E9800998ECF8427E
.UPX1 0x00cf2000 3,529,436 bytes 3,529,728 bytes 7.79 (Packed/Encrypted) IMAGE_SCN_CNT_CODE|IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_NOT_PAGED|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ D472F19E4B953AACC89329A9F384DE59
.reloc 0x01050000 168 bytes 512 bytes 1.63 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 5D2E093C630AB75765822A5F253614E2
.rsrc 0x01051000 1,578 bytes 2,048 bytes 3.38 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 3642710E00AC5CBE8B7B03763A668A7F
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

The PE file does not contain a certificate table.

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

Malware.Win64.Downloader.cc Removal

Gridinsoft has the capability to identify and eliminate Malware.Win64.Downloader.cc 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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