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osdownloader-installer.exe

Kikosolok

PremiumBeam (New Media Holdings Ltd.)

The application osdownloader-installer.exe, “Kikosolok Setup ” by PremiumBeam (New Media Holdings) has been detected as adware 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 installCore installer. The file has been seen being downloaded from www.osdownloaderfiles.com.
Publisher:
Kefep   (signed by PremiumBeam (New Media Holdings Ltd.))

Product:
Kikosolok

Description:
Kikosolok Setup

Version:
3.5.3.2

MD5:
71d841d2d838b1d15e327e6782f1d276

SHA-1:
d7c21a420185a632985f6200d3e33c4b7fce11c1

SHA-256:
288450697e13604d2613efe9fbd1e14919e9f5d2142886c8e748eb4dd13583f2

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
11/24/2024 2:30:16 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.NewMedia.NMH (M)
17.3.7.10

File size:
1.7 MB (1,745,816 bytes)

Product version:
2.8

Copyright:
Fast internet

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\downloads\osdownloader-installer.exe

Digital Signature
Signed by:
PremiumBeam (New Media Holdings Ltd.)

Authority:
GlobalSign nv-sa

Valid from:
3/15/2016 2:32:02 PM

Valid to:
5/23/2017 5:45:10 PM

Subject:
CN=PremiumBeam (New Media Holdings Ltd.), O=PremiumBeam (New Media Holdings Ltd.), L=Tel Aviv, C=IL

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
11218480E9694D8FE5FFFE43B686304FC6EF

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

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

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

Code size:
37 KB (37,888 bytes)

The file osdownloader-installer.exe has been seen being distributed by the following URL.

http://www.osdownloaderfiles.com/54dzQAorHh16V9Do0Bih96iTZzmiG mP1dSXy0HZKewdUcZ5lY_4llunKet1Xz3V_FwmaMJT8xvq_ Z2KF_A5jmwO1LBD0OeIOlkkWIBvzYVvr JE6Xg7EgYnwUKeHLmh1AuvTAtTasjGOF2XozpE XvgtTag==-G0MAAEQ3F5uWYjcYkuLaufD9cA 4 GFEGWPGAQ_ZnoQkkFRcY1SQuOYrchcOUT67Z1OHUYOjHqYKPgA=

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