After Apple has pushed iOS 8.4.1 firmware which fixes several bugs and brings updates to the software built for iPhones and iPads evasi0n iOS 8.4.1 jailbreak fake release arrived. Due to recent reports this tool is not developed by Evad3rs team. Most of the jailbreak promoting sites recommended this method for iOS 8.4.1 jailbreak and Cydia download. Although, we are recommended do not use this fake iOS 8.4.1 jailbreak tool method. As this Evasi0n jailbreak tool was seeded by unknown team even Evad3rs team members not confirmed regarding this release.
You can ask is this recently pushed evasi0n iOS 8.4.1 jailbreak really fake and who has proved it.
The reports from trusted source indicate that this tool has lot of malware, so if you still wish to run this unofficial fake jailbreak tool, do it your own risk. But please note that, if you run Evasi0n tool with malware content, your computer will damage or disrupt. So better thing is wait for official jailbreak releases for iOS 8.4.1 version.
iOS 8.4.1 firmware is the latest release of the Apple that has patched all exploits that were used by TaiG to develop jailbreak for iOS. 8.4. However, iOS 8.4.1 jailbreak status shows that there is no official jailbreak solution this version. Therefore, Evasi0n scam site release for iOS 8.4.1 version. With this fake tool, they can earn money with installations.
So if any jailbreak promoting site asks you to pay money before install jailbreak, it is a scam jailbreak site. Some jailbreak sites are asking to donate to continue jailbreak research; it is also a scam. So please note jailbreak tools always are on free of cost and do not pay your money for jailbreak install.
At present moment, you can download Pangu for iOS 8.4.1 jailbreak tool that was pushed by Chinese team at HackPwn2015 security conference. Still TaiG and PP teams do not speak about iOS 8.4.1 jailbreak and it seems that they are currently busy with iOS 9 jailbreak.
So we can make an conclusion that due to evasi0n iOS 8.4.1 jailbreak fake release at present time the better option for users do not update their device to iOS 8.4.1 version to keep their jailbreak.