home

winrar-64-bit-4-20.exe

OCSClient

ThinkLABs Ltd. & Co. KG

The application winrar-64-bit-4-20.exe by ThinkLABs & Co. KG has been detected as a potentially unwanted program 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 OCSClient Download 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 www.download.chip.eu.download-sponsor.de.
Publisher:
www.download-sponsor.de  (signed by ThinkLABs Ltd. & Co. KG)

Product:
OCSClient

Version:
1.00

MD5:
bd853d01b5472b582b4f6d09806167e3

SHA-1:
f1ebe0d82eb12878b7d44c8ba9518eca93d70ea9

SHA-256:
292b76b3774b389b37e47389e0f271d697b5920ce528cb76587309a6e61273f1

Scanner detections:
1 / 68

Status:
Potentially unwanted

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:
2/25/2025 4:11:45 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ThinkLAB.Bundler (M)
16.6.12.2

File size:
566.8 KB (580,448 bytes)

Product version:
1.00

Copyright:
Copyright @ www.download-sponsor.de

Original file name:
ocsclient.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
OCSClient Download

Language:
English (United States)

Common path:
C:\users\{user}\downloads\winrar-64-bit-4-20.exe

Digital Signature
Signed by:
ThinkLABs Ltd. & Co. KG

Authority:
Thawte, Inc.

Valid from:
11/19/2012 1:00:00 AM

Valid to:
11/20/2013 12:59:59 AM

Subject:
CN=ThinkLABs Ltd. & Co. KG, O=ThinkLABs Ltd. & Co. KG, L=Pfarrkirchen, S=Bayern, C=DE

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
07887F9E890968F4282F5DDADFFE84E7

File PE Metadata
Compilation timestamp:
1/10/2013 2:24:39 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:OfV1fXlJkEE0tKqzRrMVfDZYwmGgNkEdY2WNgmGKOGmDSuJuFblolgSysgfBnnlX:O9uEHSxFbClgSysgpnncU

Entry address:
0x1560

Entry point:
68, 40, 49, 40, 00, E8, F0, FF, FF, FF, 00, 00, 00, 00, 00, 00, 30, 00, 00, 00, 40, 00, 00, 00, 00, 00, 00, 00, 2C, 31, B5, AC, E2, 92, 9F, 4C, BF, 66, D6, 97, 47, 40, B2, 2C, 00, 00, 00, 00, 00, 00, 01, 00, 00, 00, 2D, 43, 30, 30, 30, 2D, 4F, 43, 53, 43, 6C, 69, 65, 6E, 74, 00, 34, 36, 7D, 23, 32, 2E, 00, 00, 00, 00, FF, CC, 31, 00, 00, 59, B7, 31, 99, F8, 97, 54, 4C, A3, 2A, 60, 36, 8B, 49, DC, FF, 8A, 3C, 77, 74, 4C, A5, 88, 45, 83, E1, CE, F2, 6A, 5F, FE, F2, 3A, 4F, AD, 33, 99, 66, CF, 11, B7, 0C, 00...
 
[+]

Developed / compiled with:
Microsoft Visual Basic v5.0

Code size:
40 KB (40,960 bytes)

The file winrar-64-bit-4-20.exe has been seen being distributed by the following URL.

http://www.download.chip.eu.download-sponsor.de/?lastchange=61189b87bf3377f1f1891fd432556ddb&pid=dcu&cid=6788524&camps=3963626134393465323536343637346235636531333234366165326333336164&campsel=39636261343934653235363436373462356365313332343661653263333361642D6D61696E3A312C39636261343934653235363436373462356365313332343661653263333361642D7365617263683A312C39636261343934653235363436373462356365313332343661653263333361642D686F6D653A312C&euid=30e4ff08ce71bdb41bb5dbcf&source=pl

Remove winrar-64-bit-4-20.exe - Powered by Reason Core Security
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.