Purple Fox Description
The Purple Fox Trojan downloader is a threat that has been on the radar of malware researchers since 2018. So far, experts believe that this Trojan has managed to claim over 30,000 victims worldwide. The creators of the Purple Fox Trojan have updated their threat and are now employing the RIG Exploit Kit to inject their creation into the targeted hosts. The payload of the Purple Fox Trojan downloader is no longer reliant on the NSIS installation tool, but instead, PowerShell commands. This way, the attackers have made sure to make the whole operation quieter and less likely to be spotted by researchers or anti-malware tools. The Purple Fox Trojan's operators tend to use it to plant crypto-mining threats on the compromised hosts mainly. However, this Trojan downloader can also be used for planting far more harmful threats.
Exploits Used by the Purple Fox Trojan
It is likely that the admins of the Purple Fox Trojan downloader may employ other propagation methods, apart from the use of the RIG Exploit Kit. Experts believe that the Purple Fox Trojan may also be propagated via malvertising campaigns, as well as bogus downloads. Currently, the RIG Exploit Kit used in the spreading of the Purple Fox Trojan is checking victims for several vulnerabilities:
- VBScript exploit – CVE-2018-8174.
- Adobe Flash exploit – CVE-2018-15982.
- Internet Explorer exploit – CVE-2014-6332.
- If the infiltrated account does not have administrator permissions, the threat will look for CVE-2018-8120 and CVE-2015-1701.
Similar to prior versions of the Purple Fox downloader, this variant has files with admin privileges, which are then used to mask its existence on the system by imitating similar files already present on the host, in the instance, via corrupted drivers.
Users need to start taking cybersecurity more seriously. One of the most common recommendations by malware researchers is to keep all your software updated. Unfortunately, the majority of users online find this to be too much of a tedious task. However, if all your applications are up-to-date, a threat like the Purple Fox Trojan downloader will be unable to infiltrate your system as it relies on vulnerabilities found in outdated software. Also, make sure that a legitimate anti-malware solution is present, which will help you detect and remove any unwanted applications.
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Security Doesn't Let You Download SpyHunter or Access the Internet?Solutions: Your computer may have malware hiding in memory that prevents any program, including SpyHunter, from executing on your computer. Follow to download SpyHunter and gain access to the Internet:
- Use an alternative browser. Malware may disable your browser. If you're using IE, for example, and having problems downloading SpyHunter, you should open Firefox, Chrome or Safari browser instead.
- Use a removable media. Download SpyHunter on another clean computer, burn it to a USB flash drive, DVD/CD, or any preferred removable media, then install it on your infected computer and run SpyHunter's malware scanner.
- Start Windows in Safe Mode. If you can not access your Window's desktop, reboot your computer in "Safe Mode with Networking" and install SpyHunter in Safe Mode.
- IE Users: Disable proxy server for Internet Explorer to browse the web with Internet Explorer or update your anti-spyware program. Malware modifies your Windows settings to use a proxy server to prevent you from browsing the web with IE.