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OnlineFix64.dll Trojan Downloader Analysis

Updated 4 months ago
Checked by Malware Check
OnlineFix64.dll

Technical Analysis

File Name OnlineFix64.dll
File Type
PE32+ executable (DLL) (GUI) x86-64, for MS Windows
Scanner Version 1.0.210.174
Database Version 2025-03-12 02:00:54 UTC
⚠

Trojan.Win64.Downloader.dd!s8

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
11,200,512
File Size (bytes)
2025-03-12
Analysis Date

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File Identification

Hash Type Value Action
MD5
29cc350a95e4876f50c1bd3cb203894a
SHA1
700f6c923e6b9a0c9ab8f40366400770aff420ef
SHA256
ebe60e58f43a8a034a392eed82495d4a278557a16ec40ba814eba068aed91b7b
SHA512
2b2e255eb71c694d433f6c15cd9f5099355318a320bf4cd1ece649cf87081f0fda4150255a12114f93cbaee983a3741bea252138de0766aea0456e188613626c
ImpHash
d5a72dd360f011c5680f80d46c42ce00

PE Analysis

Basic Information

▼
Image Base 0x180000000
Entry Point 0x180ec6bb3
Compilation Time 2023-09-21 11:54:18
Checksum 0x00000000 (Actual: 0x00ab4d39)
OS Version 6.0
PEiD Signatures PE32+ executable (DLL) (GUI) x86-64, for MS Windows
Digital Signature No valid SignedData structure was found.
Imports 6 libraries
KERNEL32, USER32, SHELL32, WS2_32, WLDAP32, ADVAPI32
Exports 60 functions
Resources 1 Resources
Sections 10 Sections

Version Information

▼
CompanyName Online-Fix.Me
FileDescription Online-Fix Steamclient
FileVersion 1.3.1.2
LegalCopyright Copyright (C) 2021-2023, 0xdeadc0de
ProductVersion 1.3.1.2
Translation 0x0007 0x04b0

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 1,767,280 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ D41D8CD98F00B204E9800998ECF8427E
.rdata 0x001b1000 614,844 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ D41D8CD98F00B204E9800998ECF8427E
.data 0x00248000 320,848 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE D41D8CD98F00B204E9800998ECF8427E
.pdata 0x00297000 87,672 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ D41D8CD98F00B204E9800998ECF8427E
_RDATA 0x002ad000 348 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ D41D8CD98F00B204E9800998ECF8427E
.of0 0x002ae000 5,686,178 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ D41D8CD98F00B204E9800998ECF8427E
.of1 0x0081b000 2,504 bytes 2,560 bytes 0.16 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 86951DDE01F70C36A82B9CE153196CAF
.of2 0x0081c000 11,194,936 bytes 11,195,392 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 C8AF0FCF0B550372DEEF9879888AE3D5
.reloc 0x012ca000 284 bytes 512 bytes 2.69 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 571F70B1C888E9C0DA6A32B4638C84C9
.rsrc 0x012cb000 664 bytes 1,024 bytes 2.32 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ B527FEA4877AD91542E8F0219397644E
Entropy Analysis Alert

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

Resource Analysis

▼
Total Resources: 1 (576 bytes)
Resource Type Count Total Size Percentage
RT_VERSION 1 576 bytes
100%

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.Win64.Downloader.dd!s8 Removal

Gridinsoft has the capability to identify and eliminate Trojan.Win64.Downloader.dd!s8 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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