If you have determined the file is malicious or unwanted, follow these steps. Do not simply delete the file—malware often has backup processes.
A: The trojan may have installed a rootkit or a second stage payload. Run TDSSKiller (by Kaspersky) to scan for bootkits. Also, check Task Scheduler for odd tasks named USBUpdate or AdobeFlash. usbv197.exe
Press Ctrl + Shift + Esc to open Task Manager. Find usbv197.exe, right-click, and select End Task. If you have determined the file is malicious
Over the last three years, several malware databases have cataloged different behaviors under the usbv197.exe filename. Here are the most common reports: usbv197.exe