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codecfix.exe

DivX Setup

DivX, LLC

The application codecfix.exe has been detected as a potentially unwanted program by 7 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages. The file has been seen being downloaded from am4-r1f7-stor01.uploaded.net.
Publisher:
DivX, LLC

Product:
DivX Setup

Version:
2.7.0.93

MD5:
bf0cb4c60b204f4fdbbc5a682b6a719e

SHA-1:
c684af84dbf1a0e013d1ef2abe6adc5536fafc43

SHA-256:
e8ea0e8d106ba9e8683c44df9ee4079e90068b7392e894ee0e18fc7fc0d4ef8d

Scanner detections:
7 / 68

Status:
Potentially unwanted

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
1/13/2025 3:57:00 PM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
Trojan.Win32.Dropper
4.0.3.151130

Fortinet FortiGate
PossibleThreat.VEX.91
11/30/2015

Kaspersky
UDS:DangerousObject.Multi.Generic
14.0.0.1219

McAfee
Artemis!BF0CB4C60B20
5600.6566

Panda Antivirus
Trj/Genetic.gen
15.11.30.05

Qihoo 360 Security
HEUR/QVM42.1.Malware.Gen
1.0.0.1077

Zillya! Antivirus
Adware.BrowseFox.Win32.131952
2.0.0.2499

File size:
2.3 MB (2,445,325 bytes)

Product version:
2.7.0.93

Copyright:
2015 DivX, LLC.

Original file name:
DivXSetup.exe

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

File PE Metadata
Compilation timestamp:
2/24/2012 4:20:04 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
49152:bh10D/BQ4BMBTa213VfbDDk9v7nB78hxW09dUh6F3SNj0G:MLBQ4WBTa213Vfb3QvTmnW09KoZSNF

Entry address:
0x38AF

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, 68, A2, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 90, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 90, 40, 00, 55, FF, 15, C0, 92, 40, 00, 6A, 08, A3, 98, EB, 47, 00, E8, 36, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, B0, EA, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 64, A2, 40, 00, FF, 15, 84, 91, 40, 00, 68, 4C, A2, 40, 00, 68, A0, 6A, 47, 00, E8, 18, 27, 00, 00, FF, 15, B0, 90, 40, 00, 50, BF, A0, F0, 4C, 00, 57, E8, 06, 27, 00, 00...
 
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Packer / compiler:
Nullsoft install system v2.x

Code size:
29 KB (29,696 bytes)

The file codecfix.exe has been seen being distributed by the following URL.

http://am4-r1f7-stor01.uploaded.net/.../1cf0f3ed-4f84-42b5-a5e2-126854a347ad

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