Windows Defender detects and removes this threat.

This threat is a trojan which tries to do one or all of the following:

• Download and install other malware
• Use your computer for click fraud
• Record your keystrokes and the sites you visit
• Send information about your PC, including user names and browsing history, to a remote malicious hacker
• Give a remote malicious hacker access to your PC

Due to the generic nature of this detection, we can only provide general information about it.

Find out ways that malware can get on your PC.  

TrojanDownloader:Win32/Swfdown.A is a trojan that downloads and executes other malware.

Windows Defender detects and removes this threat.

This family of hacktools are used to patch or "crack" some software so it will run without a valid license or genuine product key.

Don't run this hacktool as it can be associated with malware or unwanted software.

In the past, we have seen malware on many PCs where hacktools are detected. You can read more in Volume 13 of the Security Intelligence Report.