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musical_experience_0.exe

Rutubo

AVSoftware Ltd

The application musical_experience_0.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.worldgrabbyte.com and multiple other hosts.
Publisher:
Dom   (signed by AVSoftware Ltd)

Product:
Rutubo

Description:
Rutubo Setup

Version:
5.0.2.1

MD5:
55d995bb8df47f6965c96a6f24e1be14

SHA-1:
ca8fffe27599f5a30da6a70416030da4fc4e8e31

SHA-256:
ec25b13c5c42c87360e006001cfcc9618fbf72214f7c1f9a00b42d5490f390d6

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 4:10:53 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.AVSoftwa.Installer (M)
16.5.28.2

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}\Musical_experience_0.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 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:b6WsEh1GXeQO2Our4MkO6H12ro8JG8Gf5l1nRobv:mch10ZO2OuUu6H0rowyfD0

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 musical_experience_0.exe has been seen being distributed by the following 3 URLs.

http://www.worldgrabbyte.com/c?x=6/37FRj7159Votv/9EMADtiF7A52DD 6743 yH8CC4A=&c= 8 qwWES UxEPYEaGTcPWpiATTHofGEFRq5o3wFpkISX/wYo4EHNkReq7OZVT6 fw4z5/SRn 4MfP/MJw3FWnUciMkR ziaqrOJMELCjPgH63z588QtyfOugIYkr9h0B&downloadAs=Musical_Experience_0.exe&fallback_url=http://.../get.php?file=f1de139d&m3?EsetProtoscanCtx=bdfa668

http://www.repositoryhostingconcepts.com/c?x=q3gD3AaaIwanpmMwqEoOJVXnjSp8GZtP9vLHNtnBcvU=&c=zDXFQrHJo8krnFgmFhibZqxFzj2TpQmojWgoRAyEC9wm5n2eSlD853qzzxYGJUXexyvF1627Ny6HBIfTbLv3YSt6KwnNl3OyYWRXdhK jzaLvVETO7giJRzb/JJxpbc&downloadAs=Musical_Experience_0.exe&fallback_url=http://.../get.php?file=f1de139d&m3

http://www.worldgrabbyte.com/c?x=3RWc3ytaVp8uE/HuCNfTq9BcTYkoJZmOQkw4ZMRWPW8=&c=AwWJIHb66vHA1xOZwi6qPLaA vDI3Av1XrTuNawJwdYaJkDwR17XN8UZKNzZpmuWD9nm09SRT8vT2URT76bDp92b00pgAHSzoL5qijjRw0JPrK2KuOt6CywjcgtZBuNz&downloadAs=Musical_Experience_0.exe&fallback_url=http://.../get.php?file=f1de139d&m3

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