Answer:
hardware and software is the answer
Certain extensions of files. Sometimes, the name of the file could be something like Trojanx64.sys(I think). I had a few files of malware, but they were deleted. I believe the most common extension is .sys for viruses. Additionally, antivirus software could look into the properties of the program/process.
Yes,yes it is.All you do is get help
Answer: Its not appropriate to call the same day, probably the next day you can call, if they don't respond because that person could have been working the whole day and have not got a chance to read or see your email.
Explanation: