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kj_121108.exe

Bigasesadu

AVSoftware Ltd

The application kj_121108.exe, “Bigasesadu Setup ” by AVSoftware has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. 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 www.dlranchbest.com.
Publisher:
AVSoftware Ltd  (signed and verified)

Product:
Bigasesadu

Description:
Bigasesadu Setup

Version:
3.8.5.1

MD5:
b83ce75a4fc25aff0038dd5ead0ee4d4

SHA-1:
abf74332fb79c74da8ad58375bbf78d87b7c2c23

SHA-256:
cfc8775237547a25d5733b5901439a7a24ad5f94cd8adf70e69baf12f1b21a2e

Scanner detections:
1 / 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:
11/6/2024 6:40:03 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.AVSoftwa.Installer (M)
16.4.19.18

File size:
964.9 KB (988,032 bytes)

Product version:
5.4.2

Copyright:
Web Software internet

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\kj_121108.exe

Digital Signature
Signed by:
AVSoftware Ltd

Authority:
GlobalSign nv-sa

Valid from:
12/31/2015 9:55:52 PM

Valid to:
12/31/2016 9:55:52 PM

Subject:
CN=AVSoftware Ltd, O=AVSoftware Ltd, L=Sofia, C=BG

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
112134814B6C56AF7047C195AE1D737EC185

File PE Metadata
Compilation timestamp:
6/20/1992 5:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:Wl8mbRZRz5W3NXkdnObt8B9EiWPCv1BZg+FOwSGkPMD6+bpYoq:WSo/rqXtt8fWq1BZ/KM1NY

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Entropy:
7.9326

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

Code size:
39.5 KB (40,448 bytes)

The file kj_121108.exe has been seen being distributed by the following URL.

http://www.dlranchbest.com/c?x=36ctVS8RX1QX754n5mY6OG27YR9P8Ykq90J/6IoTzuM=&c=xZuT44nCx1yYoLl6xvRYJfCXQw1Csr7cUQ9u12UwP85kVvMx0qcLCbXYQpIuEqxfsp1M1wJUrWF7/FGlEB/VsE0aQkwuWTJOM47K1Mn3gJRWIJjHgSMvPk1ifRdgIsHO&downloadAs=KJ_121108.exe&fallback_url=http://.../get.php?file=4e5e9fe1&m3

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