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vistacodecs_v700.exe

The application vistacodecs_v700.exe has been detected as a potentially unwanted program by 4 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. The file has been seen being downloaded from mega.nz and multiple other hosts. While running, it connects to the Internet address server-52-85-167-103.gig50.r.cloudfront.net on port 80 using the HTTP protocol.
MD5:
5f2e9adcc80e6b2c3484a2b3d4f92b49

SHA-1:
f2c8bd77c2677b02a967c6ba5f807b3d150c2620

SHA-256:
556dde135aece74e7d0419d9c9b48f15454b7d36ccd51ae4b5329b1d50bf6ae6

Scanner detections:
4 / 68

Status:
Potentially unwanted

Analysis date:
12/26/2024 2:20:08 AM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
Win32/WebDevAZ.C potentially unwanted
9.12542

G Data
NSIS.Application.CodecShark
15.11.25

NANO AntiVirus
Riskware.Nsis.Downloader.dvsumk
0.30.26.4437

Rising Antivirus
PE:Malware.Generic/QRS!1.9E2D [F]
23.00.65.151113

File size:
53.1 MB (55,717,276 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\vistacodecs_v700.exe

File PE Metadata
Compilation timestamp:
12/5/2009 5:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
1572864:IBiJzh8QQmOaDr9827p8eBUvpfjgKinkCq:IByh8gOaV8u8eB+gnnkCq

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9975

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file vistacodecs_v700.exe has been seen being distributed by the following 7 URLs.

https://mega.nz/temporary/.../NkVhxLLL

http://ec.ccm2.net/www.commentcamarche.net/download/.../VistaCodecs_v700.exe

https://s3.eu-central-1.amazonaws.com/.../VistaCodecs_v700_www.INSTALKI.pl.exe

http://dpcdn-s07.pl/.../VistaCodecs_v700.exe

https://mega.nz/persistent/.../NkVhxLLL

https://ln.sync.com/mfs/.../VistaCodecs_v700_www.INSTALKI.pl.exe

http://www.majorgeeks.com/index.php?ct=files&action=download&

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to server-52-85-167-103.gig50.r.cloudfront.net  (52.85.167.103:80)

TCP (HTTP):
Connects to server-52-84-174-129.gru50.r.cloudfront.net  (52.84.174.129:80)

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