Windows Defender Antivirus detects and removes this threat.  

This trojan tries to connect your PC to a remote server to receive instructions from a malicious hacker. The hacker can then tell the trojan to perform any number of actions, including to download and run files. We have seen this trojan download variants of the rogue security scanner Rogue:Win32/Winwebsec.

There is more information in the Win32/Kuluoz family description.

Windows Defender detects and removes this threat.

This trojan tries to steal your passwords and sensitive information. It can also download other malware onto your PC, including other variants of Win32/Kuluoz and Win32/Sirefef, and variants of rogue security software such as Win32/FakeSysdef and Win32/Winwebsec.

Find out ways that malware can get on your PC.

Windows Defender detects and removes this threat.

This threat is part of the Win32/Kuluoz malware family. It can steal your passwords and sensitive information. It can also download other malware onto your PC, including other variants of Win32/Kuluoz and Win32/Sirefef, and rogue security software such as Win32/FakeSysdef and Win32/Winwebsec.

See the Win32/Kuluoz family description for more information.

Find out ways that malware can get on your PC.  

Windows Defender detects and removes this threat.

This threat can download other malware onto your PC, including PWS:Win32/Kuluoz.gen!A, Win32/Crowti, and Win32/Zbot.

It can be installed when you open a spam email attachment.

Find out ways that malware can get on your PC.  

Windows Defender detects and removes this threat.

This trojan downloads other malware onto your PC. It also opens a text file to try and fool you into thinking it's harmless.

There is more information about this type of threat in the Win32/Kuluoz family description.

Find out ways that malware can get on your PC.  

Windows Defender detects and removes this threat.

This trojan downloads other malware onto your PC. It also opens a text file to try and fool you into thinking it's harmless.

See more about this type of threat in the Win32/Kuluoz family description.

TrojanDownloader:Win32/Kuluoz.E is a trojan that silently downloads and installs other programs without consent. This could include the installation of additional malware or malware components to an affected computer.

TrojanDownloader:Win32/Kuluoz.F is a trojan that silently downloads and installs other programs without consent. This could include the installation of additional malware or malware components to an affected computer.

TrojanDownloader:Win32/Kuluoz.A is a trojan that attempts to connect your computer to a remote server so it receives and performs instructions, such as to download and execute files. This trojan has been observed to download variants of Trojan:Win32/FakeSysdef, a rogue security scanner.

Trojan:Win32/Kuluoz.gen!A is a trojan that steals information. It looks for files used by the browsers Firefox and Opera that may contain user names and passwords. It also looks for document files and spreadsheets, which it packs into an archive file. It sends the browser files and the archive file to a remote server.