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setup.exe

Bigasesadu

AVSoftware Ltd

The application setup.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.grabsignsrepository.com and multiple other hosts.
Publisher:
AVSoftware Ltd  (signed and verified)

Product:
Bigasesadu

Description:
Bigasesadu Setup

Version:
3.8.5.1

MD5:
3c53323145fa3e3d3bbeb13fa949fcff

SHA-1:
c42431f7f3931b099bba97a744ced4833f1371f9

SHA-256:
86b4c58597fb8f1058d6bb8f657ee5e1ab244a95a7c44ad40ae6cfad115728a0

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 6:30:49 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.AVSoftwa.Installer (M)
16.4.15.1

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\inetcache\ie\{random}\setup.exe

Digital Signature
Signed by:
AVSoftware Ltd

Authority:
GlobalSign nv-sa

Valid from:
12/31/2015 2:55:52 PM

Valid to:
12/31/2016 2:55:52 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:
6/19/1992 11:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:Ml8mbRZRz5W3NXkdnObt8B9EiWPCv1BZg+FOwSGkPMD6+bpYoq:MSo/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 setup.exe has been seen being distributed by the following 2 URLs.

http://www.grabsignsrepository.com/c?x=0hATo758qowjmm1nks5b8cFdbgOj8nk/383XvuNkQHw=&c=rJ iTYRMUhpoGOLoSEuO9yikXrFq53OOlyWzt3v/uUbizCiNwiR0C5iMyeidzm4Dw9KmY9nPiZgCuUiwDMOR L0EanHsMDZGQ9I7B/nhULHM3BGnaHCDYuEgaXGSJWCg&downloadAs=setup.exe&fallback_url=http://.../setup1.19.exe

http://www.tourgrabdelivery.com/c?x=r4lwCx38Xou400ze5Ai8ddWPAJQQeqGiiHyZBfWbs8g=&c= GxeVWPhAghEaSXwCBP6hRC7p7xMgZXyt2RbVOU4ZMOdfYXpihMyh1YUsPUUTJYy rX0qOAFGWjB 1FUL53X3gYsNakX5Zjlmi96wN9YCi1qMoheYe/e3EMmU34FZE9k&downloadAs=setup.exe&fallback_url=http://.../setup1.19.exe

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