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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. 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 dk.1aab801gfl.com.
Publisher:
Onekit Internet  (signed and verified)

MD5:
eebf549e3f305b9bae2f1617b29c7c16

SHA-1:
30d8222a0e8f6ef6991ad603b944756371f254f9

SHA-256:
a907492b43a650a9b0cdcf442f1a0608fe93878d2fcdbec576f4a18d995ae778

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:
12/25/2024 4:56:28 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.OnekitInternet (M)
16.7.18.3

File size:
812.4 KB (831,944 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):
24576:9hgJRVqpO5v2SHSqwMzrp5NOCDbWKsTQpE3jBgzpSO+:bIRVuU2iWMrNO4OQG

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.1aab801gfl.com/installers/axtan_installers/get.php?ik=ici&ua=chrome&ut=dd29ea8b24fc1fa2149050e5c0209536&p=RlJFRVNPRlRTVE9SRUNPTQ==&x=L2hvbWUvZG93bl9jcm9ucy9wdWJsaWNfaHRtbC9pbnN0YWxsZXJzL291dC9vbi8yL2ZyZWVzb2Z0c3RvcmVjb20vZW5nbGlzaC9hZGNhc2gvY2hyb21lL2F2YXN0X2ZyZWVfYW50aXZpcnVzL2QvMjc1ODc2ZTM0Y2Y2MDlkYjExOGYzZDg0Yjc5OWE3OTAvaWNpL25hL25hLzAvaW5zdGFsbGVyX2F2YXN0X2ZyZWVfYW50aXZpcnVzX0VuZ2xpc2guZXhl&redir=1&u=L2Rvd25sb2FkMi5mcmVlc29mdHN0b3JlMi5jb20vaW5zdGFsbGVycy9vdXQvMDAzMTMwMDMxNDAwMzE1L3BpaWQtNTUwNDBmOWJlMjk2YTMuMDIzMTg5NjQvb24vMi9mcmVlc29mdHN0b3JlY29tL2VuZ2xpc2gvYWRjYXNoL2Nocm9tZS9hdmFzdF9mcmVlX2FudGl2aXJ1cy9kLzI3NTg3NmUzNGNmNjA5ZGIxMThmM2Q4NGI3OTlhNzkwL2ljaS9uYS9uYS8wL2luc3RhbGxlcl9hdmFzdF9mcmVlX2FudGl2aXJ1c19FbmdsaXNoLmV4ZQ==&r=3837986&loop=1&aa=on/2/freesoftstorecom//&NM=86&LB=71&NB=57&DD=4&KL=76&IJ=78&NE=6&AA=18&NG=28&HB=34&s=

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