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kurogaze_swknu_07_hd.exe

Rutubo

AVSoftware Ltd

The application kurogaze_swknu_07_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:
4e8efd69aa930f7473c7b259bf055594

SHA-1:
8d764289515ec54986c0d0b9aa7bdba2d0202543

SHA-256:
794fec2fdfabeef8995f687cf68ec659f905ad972149fa8d67ef492233445c73

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 1:55:46 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_07_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:Z6WsEh1GXeQO2Our4MkO6H12ro8JG8Gf5l1nRobv:cch10ZO2OuUu6H0rowyfD0

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_07_hd.exe has been seen being distributed by the following URL.

http://www.updatebodyupdate.com/c?x=xo4 qIEpd5ChrLFTI8aAczmxbBMyZwk/acJOUFrq5i8=&c=BnGdgnR9k2AMHyDvVDgiQZysfvsaTfgomEuCxODtG4Jfz ptssUhzEjmfUwJHgoKujN1j6h5i3q1WP05hWzdhdE/I2L1e4roY49GZ8M9vv4nWLHbx//2nnuDO2OtM4og&downloadAs=KuroGaze_SwKnU_07_HD.exe&fallback_url=https://s03.solidfilesusercontent.com/MjUzYTM1NDA3NDk5NGFmZTJlNDg3ZDFiNzEwZjZiYmVjMzVkOTZkMDoxYkE3MWM6X1dUbGc0RnJVVW9iM1JESzlEMW1MWTAwZ0Uw/.../KuroGaze_SwKnU_07_HD.mp4

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