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flvplayer4free.exe

Rutubo

AVSoftware Ltd

The application flvplayer4free.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:
b67aca9db7127b1d7224a5f847e8cb46

SHA-1:
5e71a326a3622440e2e7f79e0bf4dc139362c367

SHA-256:
67305a7175494db84aedc778c6b7bf458514e183e7fbcf51fc2c0b5a05f5f3ab

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 4:35:43 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.AVSoftwa.Installer (M)
16.5.13.23

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\temporary internet files\content.ie5\{random}\flvplayer4free.exe

Digital Signature
Signed by:
AVSoftware Ltd

Authority:
GlobalSign nv-sa

Valid from:
12/31/2015 7:55:52 PM

Valid to:
12/31/2016 7:55:52 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 3:22:17 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...
 
[+]

Entropy:
7.9332

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

Code size:
39.5 KB (40,448 bytes)

The file flvplayer4free.exe has been seen being distributed by the following 3 URLs.

http://www.packagelaboratorypresent.com/c?x=stmJVGrrJRK9 8v2L6wlh83Lha3fJUSpDPAYBcyonmI=&c=S/roHCZMHWo4Y7mfhu8on73zRjL3RGX40mzVVLZLxq75KhQTXy9fnmhVDGKGvQ/ljlrgAa7QoFFfLgYSmWzyHwWDumg3l3Ueb1o8kIsirsdNdUWAEFt8ED4Jt237Rfzm&downloadAs=FLVPlayer4free.exe&fallback_url=http://.../flvplayer4free_setup_silent.exe

http://www.vaultsapplicationstown.com/c?x=Uu1cwpsK0VjaOP7euQ uFpbj Af t7 RQZUdJs9gjzs=&c=MyeSEw3YDn/ TWiFvTrHH8P4Zw6wbcKtmuj5uT/ 41SHViSGXl wAxwF0zhOVzYcxZPAp90ROYYvstj4 RnbHuL9yK9EyAzDAerUkjq2tIRNwQDA5KyfWgMKCm5o9Md7&downloadAs=FLVPlayer4free.exe&fallback_url=http://.../flvplayer4free_setup_silent.exe

http://www.cleanbundlesmeta.com/c?x=7/stRHuND2nLtjrcWBdBu0ve60gkUyq7FcyspI6TXFU=&c=7Xae30Dg1r2kG7WB7gNVNbuepu iDcy/x TIXIHnYx0ZAeSVGRm8GCn4bQrxjnk/OZPpo1ZAPW1piwS8fiSw5qNAmQm6cIFeH6YO4b/KLFsTc7xjsLaAMm34EE3bv/v&downloadAs=FLVPlayer4free.exe&fallback_url=http://.../flvplayer4free_setup_silent.exe

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