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codec.exe

The application codec.exe has been detected as a potentially unwanted program by 13 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 down.pe-waxo.com.
MD5:
2fa8ac8e780f5caeb7bc1465732d353e

SHA-1:
c21d593f4c96b64534868cc5c2b3deff0517d991

SHA-256:
a39786df1b7e99c50355e8f0859a95ea8a87b31ed35a80477c02b0e26efe2425

Scanner detections:
13 / 68

Status:
Potentially unwanted

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

Analysis date:
11/30/2024 10:55:59 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/Adware.Gen7
8.3.2.4

ESET NOD32
NSIS/TrojanDownloader.Adload.R trojan
7.0.302.0

Fortinet FortiGate
Adware/Adload
12/15/2015

F-Prot
W32/AdLoad.BW.gen
v6.4.7.1.166

G Data
NSIS.Application.PUPDownloader
15.12.25

Kaspersky
not-a-virus:AdWare.Win32.AdLoad
15.0.0.562

Panda Antivirus
Generic Suspicious
15.12.15.03

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

Rising Antivirus
PE:Malware.Generic/QRS!1.9E2D [F]
23.00.65.151213

Trend Micro House Call
HT_ADLOAD_EK130003.UVPM
7.2.349

Vba32 AntiVirus
AdWare.Adload
3.12.26.4

VIPRE Antivirus
Trojan.Win32.Generic
45856

Zillya! Antivirus
Adware.BrowseFox.Win32.146985
2.0.0.2562

File size:
74.6 KB (76,378 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\codec.exe

File PE Metadata
Compilation timestamp:
2/25/2012 12:49:49 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
1536:UuGUzMs5nHUp+hY9JH4GSrwf7nbLPnBs+1qcmP92y/95UzPa:pd50ccSrwf7nbLPnBLmP92GnUzPa

Entry address:
0x39E9

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, D8, A1, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 90, 40, 00, 68, 01, 80, 00, 00, FF, 15, B8, 90, 40, 00, 55, FF, 15, C0, 92, 40, 00, 6A, 08, A3, F8, 26, 7F, 00, E8, 36, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, 10, 26, 7F, 00, 8D, 44, 24, 38, 50, 55, 68, 1C, A3, 40, 00, FF, 15, 84, 91, 40, 00, 68, 04, A3, 40, 00, 68, 00, A6, 7E, 00, E8, 18, 27, 00, 00, FF, 15, B4, 90, 40, 00, 50, BF, A0, 30, 84, 00, 57, E8, 06, 27, 00, 00...
 
[+]

Entropy:
6.2698

Packer / compiler:
Nullsoft install system v2.x

Code size:
28.5 KB (29,184 bytes)

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

http://down.pe-waxo.com/.../codec.exe

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