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alss_non_pvar.exe

Rutubo

AVSoftware Ltd

The application alss_non_pvar.exe, “Rutubo 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.todaytowerbest.com.
Publisher:
Dom   (signed by AVSoftware Ltd)

Product:
Rutubo

Description:
Rutubo Setup

Version:
5.0.2.1

MD5:
f38e2bda42cbdde853edd48d7ea84e9c

SHA-1:
98c09e9d55e364dfa16df261af515ed0eb542a9e

SHA-256:
3ad933ea12656796fd52e9de95531b79abeb9bb834d5a9e60bb68835f75f7cc3

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:
1/12/2025 4:25:11 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.AVSoftwa.Installer (M)
16.6.2.23

File size:
968.8 KB (992,064 bytes)

Product version:
2.3.8

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\alss_non_pvar.exe

Digital Signature
Signed by:
AVSoftware Ltd

Authority:
GlobalSign nv-sa

Valid from:
12/31/2015 4:55:52 PM

Valid to:
12/31/2016 4:55:52 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 1:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:t6WsEh1GXeQO2Our4MkO6H12ro8JG8Gf5l1nRobv:Ich10ZO2OuUu6H0rowyfD0

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:
7.9332

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

Code size:
39.5 KB (40,448 bytes)

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

http://www.todaytowerbest.com/c?x=Rt6jZpu/QUmAJfVPpAJ4VwUfiFpM Ub8VPd/9W7 SsU=&c=0v9Q39ylZqMU ka0ELIjteig9QZJvq/pEcDIFQVT/Nhp9KXGUJtCoKhAK5vKe65S8u72hjx8agJxU2/tNX7JKv34roJSx1seyM0I9DVo0Q2RgylCCbuxUtEy7rflFW0X&downloadAs=alss_non_pvar.exe&fallback_url=https://s02.solidfilesusercontent.com/YzQ1ZDIyM2U5MmU4OTI1M2E1MjQ3M2Y5MDc4ZDg1YzBlZjg3MTc2ZjoxYjc3WE46eEVvWjVDbEU0bUFoaGdXQ3h0S3JEbVlLR1VR/.../alss_non_pvar.rar

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