No.
Yes, putty.exe is a single executable file which requires no install.
yes
Transfer the executable file hosting the virus from the PC to the flash drive.
If a program's executable file or setup / install files are not saved to the harddrive, no, the program will not run without the disk in the disk drive.
That's not a question!Here is what a real question looks like:DID YOU PASS ENGLISH CLASS?Do you see the difference?
Yes you can drive in Saskatchewan with a class 7 learner's permit
The 2005 Mercedes-Benz M-Class has all wheel drive.
The 2003 Mercedes-Benz M-Class has all wheel drive.
The 2003 Mercedes-Benz CL-Class has rear wheel drive.
The 2005 Mercedes-Benz SLK-Class has rear wheel drive.
The 2003 Mercedes-Benz S-Class has rear wheel drive.
The 2007 Mercedes-Benz S-Class has rear wheel drive.