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4940b3c8-af48-f568-7509-1c3c6bfebbad_1d1baf0054aa80d

Rutubo

AVSoftware Ltd

The file 4940b3c8-af48-f568-7509-1c3c6bfebbad_1d1baf0054aa80d, “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.megaheartranch.com.
Publisher:
Dom   (signed by AVSoftware Ltd)

Product:
Rutubo

Description:
Rutubo Setup

Version:
5.0.2.1

MD5:
52b93277f34cf04d752cc72334216425

SHA-1:
2797f3539a92004b3d6d2f7609e610828a045f11

SHA-256:
fd6867f84254a3d36ccc71e3fd9151b2801c9703377ae326c8321d03528b0b03

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:
11/5/2024 8:13:17 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.AVSoftwa.Installer (M)
16.5.30.19

File size:
968.8 KB (992,064 bytes)

Product version:
2.3.8

Installer:
Inno Setup

Language:
Language Neutral

Common path:
C:\ProgramData\microsoft\windows defender\scans\filesstash\4940b3c8-af48-f568-7509-1c3c6bfebbad_1d1baf0054aa80d

Digital Signature
Signed by:
AVSoftware Ltd

Authority:
GlobalSign nv-sa

Valid from:
12/31/2015 10:55:52 PM

Valid to:
12/31/2016 10:55:52 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 6:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:e6WsEh1GXeQO2Our4MkO6H12ro8JG8Gf5l1nRobv:3ch10ZO2OuUu6H0rowyfD0

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 4940b3c8-af48-f568-7509-1c3c6bfebbad_1d1baf0054aa80d has been seen being distributed by the following URL.

http://www.megaheartranch.com/c?x=wGYXDchBvfHMiTslHrbzRIUWVTFsvcRkhiydD8LcGFU=&c=6OQtgImocJ8FBl3OmBtcZ1cVPVVZFEf2wfKOSuoPUo XfFq19ITygQ7j ibFbxXO1cRPfQhEqSObWR3XpOMInEBwU7ZBT43Bm3EbyjH9vFFAf52qtsTH6qyDB19atxUM&downloadAs=BookwormAdventuresVo.exe&fallback_url=http://.../get.php?file=f3543621&m3

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