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high_school_dxd_s2_-.exe

Rutubo

AVSoftware Ltd

The application high_school_dxd_s2_-.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.softwarebestconcepts.com.
Publisher:
Dom   (signed by AVSoftware Ltd)

Product:
Rutubo

Description:
Rutubo Setup

Version:
5.0.2.1

MD5:
2a1f7e85eb6e5eb37795ce25b0d79b77

SHA-1:
b7058b9c0b0947b9bed96c91069a2a938e6aec8d

SHA-256:
60c7af7391dbe5c64883f2acfc2e7f56901c41a93751d376f885e1a4de0293dd

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:
7/17/2025 2:39:51 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.AVSoftwa.Installer (M)
16.5.17.22

File size:
968.8 KB (992,064 bytes)

Product version:
2.3.8

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\high_school_dxd_s2_-.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:o6WsEh1GXeQO2Our4MkO6H12ro8JG8Gf5l1nRobv:hch10ZO2OuUu6H0rowyfD0

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...
 
[+]

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

Code size:
39.5 KB (40,448 bytes)

The file high_school_dxd_s2_-.exe has been seen being distributed by the following URL.

http://www.softwarebestconcepts.com/c?x=WG/B5tAeSpvxcn7ojdb6K45qIAaTRq4ueYDs67YsTgA=&c=GGtMlfNBUF/BmNISi2 y9DzMbe5E0di0ZDNK9MkqvL0WMaZ/lEnv9Bt630/pdfrda46BRvWVQbwA/Xvj/10 xRDFqeeAnmFpe H3IqoerlpcPQC3VH/KdkziYuuf/kda&downloadAs=High_School_DXD_S2_-.exe&fallback_url=https://s02.solidfilesusercontent.com/MDIyNDE0ZmE1ZTg3MzRlNWEwMmFhY2M0YTIzMjdlZjlkZmRiNDhiMToxYjFNaEM6Rl95UmNXYm1Ua2ZFZlVYREo3M2V3dU5YSjFv/.../High_School_DXD_S2_-_01_[Thyanda.blog].mkv

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