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winrar-x64-521.exe

WinRAR

Software Association LLC

The application winrar-x64-521.exe by Software Association has been detected as a potentially unwanted program by 10 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The installer uses the OpenCandy monitzation platform which will donwload and install offers in the setup for potentially unwanted software including ad/search-supported toolbars. The file has been seen being downloaded from winrar-32.pt.1800download.com and multiple other hosts.
Publisher:
Software Association LLC  (signed and verified)

Product:
WinRAR

Version:
1.0.0.0

MD5:
d1528393c3220dc3f75342c838207a11

SHA-1:
1c1bd66c171e5216a59d0a1babdd76695618a90a

SHA-256:
a1c21fcab66c2dcf2ba93c8a7a51bdf952aa02349b86cae0ceeade3756a44cc2

Scanner detections:
10 / 68

Status:
Potentially unwanted

Explanation:
Packages the OpenCandy software bundler that offers to install additional software and may include web browser add-ons and toolbars which display advertising (based on publisher settings and geo context).

Analysis date:
8/14/2025 4:53:58 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

AVG
OpenCandy
2016.0.3099

Clam AntiVirus
Win.Trojan.Agent-855157
0.98/21511

Dr.Web
Adware.Downware.9759
9.0.1.0145

ESET NOD32
Win32/OpenCandy.C potentially unsafe (variant)
9.11448

G Data
Win32.Adware.OpenCandy
15.5.25

K7 AntiVirus
Trojan
13.202.15538

Malwarebytes
PUP.Optional.OpenCandy
v2015.05.25.04

McAfee
Artemis!D1528393C322
5600.6755

Trend Micro House Call
Suspicious_GEN.F47V0401
7.2.145

File size:
415.6 KB (425,584 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\winrar-x64-521.exe

Digital Signature
Signed by:
Software Association LLC

Authority:
DigiCert Inc

Valid from:
1/13/2015 4:00:00 AM

Valid to:
1/21/2016 4:00:00 PM

Subject:
CN=Software Association LLC, O=Software Association LLC, L=Dnepropetrovsk, S=Dnipropetrovs'ka Oblast', C=UA

Issuer:
CN=DigiCert SHA2 Assured ID Code Signing CA, OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
0E1FC80B1C57AD69AA6F8D65D1CF90CF

File PE Metadata
Compilation timestamp:
5/20/2013 3:53:00 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:siubngAub1k7Q6zsMtYgiedA46g6fFW6gQ0Z7:wbnZck7bs5u6g6tPf47

Entry address:
0x331C

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, 30, 92, 40, 00, 89, 6C, 24, 14, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, BC, 70, 40, 00, 55, FF, 15, AC, 72, 40, 00, 6A, 08, A3, 98, 92, 42, 00, E8, A8, 2E, 00, 00, A3, E4, 91, 42, 00, 55, 8D, 44, 24, 34, 68, B4, 02, 00, 00, 50, 55, 68, 90, 06, 42, 00, FF, 15, 7C, 71, 40, 00, 68, 7C, 93, 40, 00, 68, E0, 81, 42, 00, E8, 13, 2B, 00, 00, FF, 15, 34, 71, 40, 00, BB, 00, 40, 43, 00, 50, 53, E8, 01, 2B, 00, 00...
 
[+]

Entropy:
7.8393

Packer / compiler:
Nullsoft install system v2.x

Code size:
24 KB (24,576 bytes)

The file winrar-x64-521.exe has been seen being distributed by the following 4 URLs.

http://winrar-32.pt.1800download.com/get_azure_file/wUiS4WnYccXDyCf4UfO5CV530RJ0YyqsWxL7as6U7L10vCfjoWpgwJgEL031N/juNDC2x15KdTrST7bgW6c8gLNjztTeXliD9HbyDU78 3G7geeH94WNg2gIq5Q4iUcFDSjlW3xo3MUt4y74W33MCOlOw4TrMT0VPuZue01NIaS0XHl1as/LLwkpz6vnGDRjIdHg2q4/CGOosFjKmPhvFpn esCkfTUYzcr F gujRwH5sv3jlLqN/MhhSflCc1X/.../UXKquZeaiHloJ 8BEJY2YHUitOCvHBNoiBW43J5OECbzRlSnsZGnzQwvLHPNvngfkA==

http://winrar-32.1800download.com/get_azure_file/wUiS4WnYccXEwj 8WvauHEA0kxQ8PDK1GR37cteQv A8/yOn9np5iNEIJ1Xlar74OHCuyxdSNGmeTqHnQfdi0bI5zseZBQSQ Sn6Ck/8 3G9geeO7cvT0mlMq4d32gsWCzHkGDU2nsAj7GijDnGSGbZdwMyiPTMNeu9rc00dOOz9V3J1aomXeFlzzrysFCI4fYfzz7h9W3ux8VDOnPV UMv MJ7/JjQeg9O2XuMtlQ9StNa/3BrlbahnnG sAMVPrp7vUXKquZKaiC0pYaRIBo4/.../rFFSq94jvhAUnNGDHvHgfkA==

http://winrar-32.ar.1800download.com/get_azure_file/wUiS4WnYccXBwj qXP7oQkEsm10kPjGhChOxatjZp7VvsTDsqSt4ytMEPwC NvmtfW70xlBFN2GNBbzvTac8gLNjztTbXliD9GzyCkzlunm6j/LSvNKbm2FBs8pzkV4BXnGtGHksypd2uWjoUSCTQbxW2pO4dHdbOfB3bUQdOOz9X3BtP5eQZEpgkaLmAC1mcob4w65sWnux61DOlPQvDpG3Ypv3O2NXnMu/F/snmw8eroL/h0q8Krh 1CanCd1c/.../jocTY2nViMqRIHI48PX0rseKnHxpphVW60ddWRXO9UlixsZGnzQwvLHPBsXgfkA==

http://jdcdn2com.blob.core.windows.net/fas/wi/18/34/1/.../winrar-x64-521.exe

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