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windowscodec.exe

Open Source Developer

The application windowscodec.exe by Open Source Developer has been detected as a potentially unwanted program by 8 anti-malware scanners. The program is a setup application that uses the Inno Setup installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from windowsetup.com and multiple other hosts.
Publisher:
Open Source Developer  (signed and verified)

MD5:
691459b472a470e95597f2b7a8bdffb4

SHA-1:
cd642857c63368b2fbea108eafd940e31bf018db

SHA-256:
f13dab410ef81662874ea2ccb8554d9d3105322df9e487d9f5109a95f646591c

Scanner detections:
8 / 68

Status:
Potentially unwanted

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

Analysis date:
4/26/2024 12:21:49 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/InstallCore.Gen9
7.11.178.6

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.141014

ESET NOD32
Win32/InstallCore.QO (variant)
8.10558

Fortinet FortiGate
Riskware/InstallCore
10/14/2014

K7 AntiVirus
Trojan
13.183.13662

Malwarebytes
PUP.Optional.InstallCore
v2014.10.14.04

Qihoo 360 Security
Win32/Virus.Adware.f22
1.0.0.1015

Sophos
Generic PUA MN
4.98

File size:
764.9 KB (783,288 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Language:
Language Neutral

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

Digital Signature
Signed by:
Open Source Developer

Authority:
Unizeto Technologies S.A.

Valid from:
11/14/2013 10:54:26 AM

Valid to:
11/14/2014 10:54:26 AM

Subject:
E=admin@mediacodec.org, CN=Open Source Developer, OU=Software Publishing, O=Open Source Developer, C=PL

Issuer:
CN=Certum Level III CA, OU=Certum Certification Authority, O=Unizeto Technologies S.A., C=PL

Serial number:
39A416F8FFA5E48B147ADBE062E63C90

File PE Metadata
Compilation timestamp:
6/19/1992 11:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:uEvpG5+MmNC9R5mUc9IeOVlTrkzag66sGNwtF1VFNI2fwgb2Z:uEvk5+Mm6R5zcKeuuagZu1VFNbHc

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Entropy:
7.6735

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

The file windowscodec.exe has been seen being distributed by the following 3 URLs.

http://windowsetup.com/.../?product=wecp&io=A004&ad=pop&ua=gc&clk=0

http://d14gbdnn5fokdd.cloudfront.net/.../WindowsCodec.exe

http://windowsetup.com/.../?product=wecp&ad=codec&io=A004

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