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installer_avast_free_antivirus_english.exe

Onekit Internet

The application installer_avast_free_antivirus_english.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. The installer is marketed through download protals and search ads as the free AVAST Antivirus but will also install additional software offers which include adware, PUPs and browser toolbars. The file has been seen being downloaded from dk.1aab805gfl.com.
Publisher:
Onekit Internet  (signed and verified)

MD5:
1a2c2a01cf5a29dbff234b23fa69dd6b

SHA-1:
ab05a50a0687e4df6f5c8cc140a5704d52819ef4

SHA-256:
a2568e67e488c35dfc8564b0b98e8e78ea4507ef2dbe609de7062fca9d539f54

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 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
5/3/2024 9:53:16 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.OnekitInternet.Bundler (M)
16.2.3.20

File size:
881 KB (902,160 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:
3/5/2015 1:00:00 AM

Valid to:
3/5/2016 12:59:59 AM

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 11:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:oRxqX3cfgAyjDlDubwnx8fwfHOBSQ/LklEZ:mw3cdmBDkwnNSSQuw

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

http://dk.1aab805gfl.com/installers/axtan_installers/get.php?ik=ici&ua=chrome&ut=4b712ca9f08844f59190ade8eae9db71&loop=1&r=2993660&x=L2hvbWUvZG93bl9jcm9ucy9wdWJsaWNfaHRtbC9pbnN0YWxsZXJzL291dC9vbi8yL2ZyZWVzb2Z0c3RvcmVjb20vZW5nbGlzaC9hZGNhc2gvY2hyb21lL2F2YXN0X2ZyZWVfYW50aXZpcnVzL2QvMjc1ODc2ZTM0Y2Y2MDlkYjExOGYzZDg0Yjc5OWE3OTAvaWNpL25hL25hLzAvaW5zdGFsbGVyX2F2YXN0X2ZyZWVfYW50aXZpcnVzX0VuZ2xpc2guZXhl&p=RlJFRVNPRlRTVE9SRUNPTQ==&u=L2Rvd25sb2FkMi5mcmVlc29mdHN0b3JlMi5jb20vaW5zdGFsbGVycy9vdXQvMDAzMTQwMDMxNTAwMzE2L3BpaWQtNTUwNTc5NjcwMmQzMDguNDIwNzg1MTgvb24vMi9mcmVlc29mdHN0b3JlY29tL2VuZ2xpc2gvYWRjYXNoL2Nocm9tZS9hdmFzdF9mcmVlX2FudGl2aXJ1cy9kLzI3NTg3NmUzNGNmNjA5ZGIxMThmM2Q4NGI3OTlhNzkwL2ljaS9uYS9uYS8wL2luc3RhbGxlcl9hdmFzdF9mcmVlX2FudGl2aXJ1c19FbmdsaXNoLmV4ZQ==&redir=1&aa=on/2/freesoftstorecom//&GK=84&NE=32&LD=75&HA=58&JB=19&BF=36&EC=43&DL=5&FH=21&CD=80&s=

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