home

kurogazenet_dknn_01_.exe

Rutubo

AVSoftware Ltd

The application kurogazenet_dknn_01_.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.signbitsfun.com.
Publisher:
Dom   (signed by AVSoftware Ltd)

Product:
Rutubo

Description:
Rutubo Setup

Version:
5.0.2.1

MD5:
acfeecc0c5d5d05d04e5e09fa5a5fb9e

SHA-1:
e24656737b804c67d9de47e5c17eeb8cd14da168

SHA-256:
865a91599a9d9bdd4d459f1cf4ad38dcc53165d479052f67fa00dfa12d108138

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 4:29:55 AM 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}\kurogazenet_dknn_01_.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:p6WsEh1GXeQO2Our4MkO6H12ro8JG8Gf5l1nRobv:sch10ZO2OuUu6H0rowyfD0

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 kurogazenet_dknn_01_.exe has been seen being distributed by the following URL.

http://www.signbitsfun.com/c?x=4qs0YrBhV3IBnziSCCnMRgjynwS4hkhPOzGwnocaFiE=&c=1y7YPFgDsAkYLYdTPuvp4iFzNYedgN/Zk 2xV 3eDDQeVMYRqY6zCJvBHEgcUC3ogv 13qqQ 9dPnHrnJjdR9JlLmlCDJA3h0MZ7/vo UgDQWx 3kiwEIIaMKgDrQdDs&downloadAs=Kurogazenet_DKNN_01_.exe&fallback_url=https://s03.solidfilesusercontent.com/NzQxYjNhYmVhZGJjYjQwZTViNWMxY2FkN2VkYzhkMjViMjkyNWI5NjoxYkJ2VlE6c2dBRjNwOU0wcDBGTVZIVDJzamgzaWxmNU1v/.../Kurogaze.net_DKNN_01_HD.mp4

Remove kurogazenet_dknn_01_.exe - Powered by Reason Core Security
herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.