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installer_winrar_portuguese.exe

Onekit Internet S,L

The application installer_winrar_portuguese.exe by Onekit Internet S,L 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 OneKit Downloader installer. With this installer, users are expecting to download WinRAR archiver but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware. The file has been seen being downloaded from winrar.begin.pro.
Publisher:
Onekit Internet S,L  (signed and verified)

MD5:
7bb1293655bed48e42a9bbd583b8a75a

SHA-1:
1d6952c3764ae78b5689ec7acbf872fcddf82a28

SHA-256:
05ca729ac8fd057ae2439cd375ea0516727e5392346f3fc209932e8f1db056e5

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:
4/19/2024 4:03:01 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.OnekitInternet.OnekitInternetSL.Bundler (M)
16.2.15.4

File size:
879.5 KB (900,656 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
OneKit Downloader (using Nullsoft Install System)

Common path:
C:\users\{user}\downloads\installer_winrar_portuguese.exe

Digital Signature
Signed by:
Onekit Internet S,L

Authority:
GlobalSign nv-sa

Valid from:
4/15/2013 2:25:37 PM

Valid to:
5/18/2016 8:11:52 AM

Subject:
E=info@onekit.com, CN="Onekit Internet S,L", O="Onekit Internet S,L", L=Cerdanyola Del Valles, S=Barcelona, C=ES

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

Serial number:
11216C6B688869B7980323D94C3965BBB528

File PE Metadata
Compilation timestamp:
12/5/2009 8:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:bm2mekiqFq7vz2pc8k8rfNgKusP/0u1+/WNJTv2:K2mXiqmac6fOOpgkV2

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, 1C, 45, 00, E8, F1, 2B, 00, 00, A3, 64, 1B, 45, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 37, 43, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, DB, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, A0, 47, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file installer_winrar_portuguese.exe has been seen being distributed by the following URL.

http://winrar.begin.pro/.../download?p=MATOMY&trckid=121791|20yvcP1iaaNiHeO83qeLzL1x9oQ3000.&affid=530461

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