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t-splines_34_r8555_f.exe

Bigasesadu

AVSoftware Ltd

The application t-splines_34_r8555_f.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.
Publisher:
AVSoftware Ltd  (signed and verified)

Product:
Bigasesadu

Description:
Bigasesadu Setup

Version:
3.8.5.1

MD5:
6270c57de4e8174c231efafbe59b6c02

SHA-1:
aeb7d54973d5f92af019ec0cfed061ac428f13ca

SHA-256:
049d083c23fb683b27546fdf80182b1ad1d493e82bc87cba9e8141a8a871e9dc

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:
11/30/2024 11:14:34 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.AVSoftwa.Installer (M)
16.4.25.17

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

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\t-splines_34_r8555_f.exe

Digital Signature
Signed by:
AVSoftware Ltd

Authority:
GlobalSign nv-sa

Valid from:
12/31/2015 11:55:52 PM

Valid to:
12/31/2016 11:55:52 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 7:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:Cl8mbRZRz5W3NXkdnObt8B9EiWPCv1BZg+FOwSGkPMD6+bpYoq:CSo/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 t-splines_34_r8555_f.exe has been seen being distributed by the following URL.

http://www.grabsignsrepository.com/c?x=3rfNQxfUdGWH9zttkm1krwTjy7rN9Dd//RIHlX eZTk=&c=s8vvo7eC/EAPwcRIZt81lO5AA7oxnJU/i1wGcc91ThQHxeCv7jyRomzpENeTWBMlP/DLE5XezKfE vE4/6A9xbICLrBn8E3tDI39Qrw7PLnpIFMambSeAqqXTrP3rAuC&downloadAs=T-Splines_34_r8555_F.exe&fallback_url=http://.../get.php?file=f8c39ac9&m3

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