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or_flex_and_blure_nr.exe

Rutubo

AVSoftware Ltd

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

Product:
Rutubo

Description:
Rutubo Setup

Version:
5.0.2.1

MD5:
d335d94a599314b64d6cd75984396f00

SHA-1:
f55072290133ff49a4abb0cf86fab6a759902d2b

SHA-256:
896c0a181e45ea521f9185e6b75be6efbe128066a82166f72b474c239f8f90fd

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 4:21:25 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.AVSoftwa.Installer (M)
16.5.27.6

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}\or_flex_and_blure_nr.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:x6WsEh1GXeQO2Our4MkO6H12ro8JG8Gf5l1nRobv:Ech10ZO2OuUu6H0rowyfD0

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 or_flex_and_blure_nr.exe has been seen being distributed by the following 2 URLs.

http://www.packagelaboratorypresent.com/c?x=5asltW0Viw7nBcomv4IZ uSSLyjzJOqXPGcUJUjqdRU=&c=pALPcNcuLbC6pB0SD8g4tNAtJiieN8sMcplj2udngxEbEmB65kmxYkwS7/t5C 0S8LjYZG8mJ2YrhtkiuqhfndnvGvewTre/NW1wzBXEueo5qrmT8Luj47OX3kUD/P0h&downloadAs=OR_Flex_And_Blure_Nr.exe&fallback_url=http://.../get.php?file=d990d384&m3

http://www.packagelaboratorypresent.com/c?x=z7w0U8PuLMpnY76mKw8snX8FEtqX84cSJca4HhVG8NY=&c=JcFHD4AIQI pubzuDgJWQute84q bbmoYim3 3SicZW5p/SeLXHfDsgoGKEVL2LIdK8hvQwViTJmQ0n5NwwYA8UkIvPtWAn0gsfesADojOCf1 8vDokUm2Z8gASuI50T&downloadAs=OR_Flex_And_Blure_Nr.exe&fallback_url=http://.../get.php?file=d990d384&m3

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