Threat Database Trojans Trojan:Win32/Preflayer.A

Trojan:Win32/Preflayer.A

By Domesticus in Trojans

Threat Scorecard

Threat Level: 90 % (High)
Infected Computers: 10
First Seen: March 29, 2013
Last Seen: December 16, 2020
OS(es) Affected: Windows

Trojan:Win32/Preflayer.A is a Trojan that modifies the startpage of the hacked web browser involving Mozilla FireFox, Google Chrome, Internet Explorer and Yandex and sets it to another websites on the targeted computer. Trojan:Win32/Preflayer.A propagates as a malevolent file named 'FlashPlayer.exe' and, once run, shows the GUI, partly created in Turkish, which is covered as an Adobe Flash Player 11 installer. The text section of the agreement doesn't have a scroll bar, which makes it rather misleading to see all the conditions of installation. However, computer users can highlight the full text using a mouse so they can see, right at the end, there's a message, which describes a key condition. Not having a scroll bar is a bit deceitful as most web users won't realize that the application is going to modify their web browser's start page. When the button is hit, this bogus Flash Player installer drops and runs a genuine flash installer as 'FlashPlayer11.exe' from the specific domain. These websites seem to be the search engines, but they carry pop-up ads. Also, attacked Internet users may get rerouted to a different suspicious website.

File System Details

Trojan:Win32/Preflayer.A may create the following file(s):
# File Name Detections
1. FlashPlayer.exe

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