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installer_avast_free_antivirus_portuguese.exe

Onekit Internet

The application installer_avast_free_antivirus_portuguese.exe by Onekit Internet 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 the free AVAST Antivirus 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 pujip90d31huyu.bukakopareep.net.
Publisher:
Onekit Internet  (signed and verified)

MD5:
185bb9fbf7a7d9d6b85f13d7a6ad77d0

SHA-1:
5edcf7648f5c0626e1f1eb433b7bec4d2a0390aa

SHA-256:
7737e30ddfe9a45e3081b3cdac517b92175b134cec19dec2f9216a0db7f4b48f

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:
12/27/2024 6:22:30 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.OnekitInternet.Bundler (M)
16.5.11.15

File size:
901.1 KB (922,760 bytes)

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
Onekit Internet

Authority:
thawte, Inc.

Valid from:
3/4/2015 9:00:00 PM

Valid to:
3/4/2016 8:59:59 PM

Subject:
CN=Onekit Internet, O=Onekit Internet, L=Cerdanyola del valles, S=Barcelona, C=ES

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
40744793F55F4350CB4D2F030795E67F

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:mfka4u9afsEhtuMM0VGdJOQPN6c9St+DJy:9u91EKMM0VGN8U1y

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

http://pujip90d31huyu.bukakopareep.net/.../download?p=BR-ADVERTISE&affid=65853-24182&kw=antivirus gratis

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.