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Alert level: Severe Detected with Windows Defender Antivirus
Also detected as: No associated aliases
Windows Defender detects and removes this threat.
VirTool:Win32/Obfuscator.ABO are a group of programs that hide their purpose to avoid analysis and detection by your security software. To do this they use a combination of encryption, compression, anti-debugging and anti-emulation techniques.
These techniques are used by a number of different kinds of malware. The malware that lies "underneath" can have almost any purpose.