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installer_pdf_reader_deutsch.exe

Onekit Internet

The application installer_pdf_reader_deutsch.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 file has been seen being downloaded from dk.1aab805gfl.com and multiple other hosts.
Publisher:
Onekit Internet  (signed and verified)

MD5:
f5a00ae5a1423bbbbd4713a781550b24

SHA-1:
029bc5ac964d3fde7a19a833cff6adef9ae5d5a2

SHA-256:
5791c42f07762cf6907239b15782861a4d639797afa769b31eaeec4c1aeaa11d

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:
12/25/2024 5:09:48 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.OnekitInternet.Bundler (M)
16.1.28.21

File size:
833.7 KB (853,680 bytes)

File type:
Executable application (Win32 EXE)

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

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

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):
24576:2tcotSxFtV2odwFsr+dgSCt71eJfL0UvCKp5PE7:qcYSxdwSaqt7WdDPo

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_pdf_reader_deutsch.exe has been seen being distributed by the following 2 URLs.

http://dk.1aab805gfl.com/installers/axtan_installers/get.php?ik=ici&ua=chrome&ut=66291df9d43d53ed7492b7f2583c8dbd&x=L2hvbWUvZG93bl9jcm9ucy9wdWJsaWNfaHRtbC9pbnN0YWxsZXJzL291dC9heC8xL2FsbGZpbGV3aW5jb20vZGV1dHNjaC9kZS1hZGMvY2hyb21lL3BkZl9yZWFkZXIvZC83ODIxOTgwMjdmYzUwOTRjNDc5ZDNlZjlhNDNiMjJiNS9pY2kvbmEvbmEvMC9pbnN0YWxsZXJfcGRmX3JlYWRlcl9EZXV0c2NoLmV4ZQ==&u=L2Rvd25sb2FkLmZpbGV3aW4uY29tL2luc3RhbGxlcnMvb3V0LzAwMzE0MDAzMTUwMDMxNi9waWlkLTU1MDVmMjI5ZTg0M2IyLjU4NDQyMDE2L2F4LzEvYWxsZmlsZXdpbmNvbS9kZXV0c2NoL2RlLWFkYy9jaHJvbWUvcGRmX3JlYWRlci9kLzc4MjE5ODAyN2ZjNTA5NGM0NzlkM2VmOWE0M2IyMmI1L2ljaS9uYS9uYS8wL2luc3RhbGxlcl9wZGZfcmVhZGVyX0RldXRzY2guZXhl&p=QUxMRklMRVdJTkNPTQ==&loop=1&r=5356567&redir=1&aa=ax/1/allfilewincom//&FJ=81&KB=43&AI=32&BG=60&IJ=19&HC=78&LN=58&AA=73&ND=91&AD=64&s=

http://dk.1aab805gfl.com/installers/axtan_installers/get.php?ik=ici&ua=chrome&ut=a30dbe0fbe757d3bc6f36fedb9f1ae32&redir=1&r=3716267&u=L2Rvd25sb2FkLmZpbGV3aW4uY29tL2luc3RhbGxlcnMvb3V0LzAwMzE0MDAzMTUwMDMxNi9waWlkLTU1MDVmMjI5ZTg0M2IyLjU4NDQyMDE2L2F4LzEvYWxsZmlsZXdpbmNvbS9kZXV0c2NoL2RlLWFkYy9jaHJvbWUvcGRmX3JlYWRlci9kLzc4MjE5ODAyN2ZjNTA5NGM0NzlkM2VmOWE0M2IyMmI1L2ljaS9uYS9uYS8wL2luc3RhbGxlcl9wZGZfcmVhZGVyX0RldXRzY2guZXhl&p=QUxMRklMRVdJTkNPTQ==&loop=1&x=L2hvbWUvZG93bl9jcm9ucy9wdWJsaWNfaHRtbC9pbnN0YWxsZXJzL291dC9heC8xL2FsbGZpbGV3aW5jb20vZGV1dHNjaC9kZS1hZGMvY2hyb21lL3BkZl9yZWFkZXIvZC83ODIxOTgwMjdmYzUwOTRjNDc5ZDNlZjlhNDNiMjJiNS9pY2kvbmEvbmEvMC9pbnN0YWxsZXJfcGRmX3JlYWRlcl9EZXV0c2NoLmV4ZQ==&aa=ax/1/allfilewincom//&MH=89&CE=15&EF=46&CB=85&GC=54&BJ=95&HG=15&BG=59&CL=75&JN=45&s=

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