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kurogaze_swknu_08_hd.exe

Rutubo

AVSoftware Ltd

The application kurogaze_swknu_08_hd.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.updatebodyupdate.com.
Publisher:
Dom   (signed by AVSoftware Ltd)

Product:
Rutubo

Description:
Rutubo Setup

Version:
5.0.2.1

MD5:
3ce22abe87882be0e7766fd9fa8ec422

SHA-1:
58d38a7d35814c5069385ad9f676c754c983447c

SHA-256:
1c689387926290018f2d19ba3d1e1f2a7719767625c8c1de0f3f2bcb2755bcd4

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 1:48:49 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.AVSoftwa.Installer (M)
16.6.13.12

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}\kurogaze_swknu_08_hd.exe

Digital Signature
Signed by:
AVSoftware Ltd

Authority:
GlobalSign nv-sa

Valid from:
12/31/2015 6:55:52 AM

Valid to:
12/31/2016 6:55:52 AM

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:
6/19/1992 3:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:O6WsEh1GXeQO2Our4MkO6H12ro8JG8Gf5l1nRobv:nch10ZO2OuUu6H0rowyfD0

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 kurogaze_swknu_08_hd.exe has been seen being distributed by the following URL.

http://www.updatebodyupdate.com/c?x=psEJlqy5suL2X0V9tSTBwv4I0u/MovEt7C UuEwtyCs=&c=2Qca3lx s9GheRBEHyokoV1ouYoOML/fNeAjkQ0gETHhpTeB3oz8Ztndy5ShiaaRR Xf0SueDYQvF26WUrCgplI4ZXKhb8N6N7luU/4TPK7jDVv3vHnqsBdkkLflnw6i&downloadAs=KuroGaze_SwKnU_08_HD.exe&fallback_url=https://s03.solidfilesusercontent.com/NDA5YWUwYzdhZTE3NjBjMzhhN2NlOTQwODRmZjAyNWIyMjFkYTM3NzoxYkE2aUs6dmpWZFlDMU1hbTNNdEdpaFlIZ2U1cC1sT3U0/.../KuroGaze_SwKnU_08_HD.mp4

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