Microsoft Defender Antivirus detects and removes this threat.

This threat is a malicious JavaScript that downloads and executes malware, including Ransom:Win32/Betisrypt and Ransom:Win32/Cerber.

Find out ways that malware can get on your PC.  

Microsoft Defender Antivirus detects and removes this threat.

This threat is a malicious JavaScript that downloads and executes malware, including Ransom:Win32/Betisrypt and Ransom:Win32/Cerber.

Find out ways that malware can get on your PC.  

Windows Defender detects and removes this threat.

This threat loads a malicious Adobe Flash object in your browser in order to download malware, including ransomware such as Ransom:Win32/Cerber.

You might be redirected to the web page that loads the object without your consent.

The malicious Adobe Flash object exploits the vulnerability described in CVE-2015-8651 and Adobe Security Bulletin APSB16-01.

Note that you might get an alert about this threat even if you're not using a vulnerable version of the application. This is because we detect when a website or file tries to use the vulnerability, even if it isn't successful.

Read more about how this threat is being used by cybercriminals in this blog post:

• Exploit kits remain a cybercrime staple against outdated software – 2016 threat landscape review series
• Ransomware: a declining nuisance or an evolving menace?
• No slowdown in Cerber ransomware activity as 2016 draws to a close

Microsoft Defender Antivirus detects and removes this threat.

This threat is a .pdf file with a malformed hyperlink to phishing websites or other malicious sites. It usually arrives as attachment to spammed email messages.

To know more about how cybercriminals are using this threat in attacks, read the following blog:

• Phishers unleash simple but effective social engineering techniques using PDF attachments

Find out ways that malware can get on your PC.

Microsoft Defender Antivirus detects and removes this threat.

This ransomware can stop you from using your PC or accessing your data. It might ask you to pay money to a malicious hacker.

It is a scriptable installer engine used to deliver malicious payloads, mostly ransomware, such as Ransom:Win32/Enestedel.

Our ransomware FAQ page has more information on this type of threat.

The trend towards increasingly sophisticated malware behavior, highlighted by the use of exploits and other attack vectors, makes older platforms so much more susceptible to ransomware attacks. From June to November 2017, Windows 7 devices were 3.4 times more likely to encounter ransomware compared to Windows 10 devices.

Read our latest report: A worthy upgrade: Next-gen security on Windows 10 proves resilient against ransomware outbreaks in 2017.

Microsoft Defender Antivirus detects and removes this threat.

This ransomware can stop you from using your PC or accessing your data. It might ask you to pay money to a malicious hacker.

It is a scriptable installer engine used to deliver malicious payloads, mostly ransomware, such as Ransom:Win32/Enestedel.

Our ransomware FAQ page has more information on this type of threat.

The trend towards increasingly sophisticated malware behavior, highlighted by the use of exploits and other attack vectors, makes older platforms so much more susceptible to ransomware attacks. From June to November 2017, Windows 7 devices were 3.4 times more likely to encounter ransomware compared to Windows 10 devices.

Read our latest report: A worthy upgrade: Next-gen security on Windows 10 proves resilient against ransomware outbreaks in 2017.

Microsoft Defender Antivirus detects and removes this threat.

This threat downloads and installs other programs, including other malware, onto your PC without your consent.

Find out ways that malware can get on your PC.

Windows Defender detects and removes this threat.

This threat family uses vulnerabilities in recent versions of Internet Explorer, Microsoft Silverlight, Adobe Flash Player, and Java to install malware on your PC. We have seen it try to install Ransom:Win32/Exxroute, Ransom:Win32/Cerber,  and drop variants of Win32/Gamarue.

You might get this threat if you visit a malicious or hacked website, or click a malicious link in an email.

Microsoft Defender Antivirus detects and removes this threat. 

This ransomware can stop you from using your PC or accessing your data. It might ask you to pay money (in the form of Bitcoins) to a malicious hacker.

This ransomware is installed by the Magnitude exploit kit, which used to deliver another prominent ransomware family, Cerber.

When run, this threat checks the machine's default system language. If the system language is Korean, it launches its malicious routines. Otherwise, self-deletes after three seconds.

It encrypts files using AES 128-bit and appends the file name extension .ihsdj to encrypted files.

Our ransomware FAQ page has more information on this type of threat.

The trend towards increasingly sophisticated malware behavior, highlighted by the use of exploits and other attack vectors, makes older platforms so much more susceptible to ransomware attacks. From June to November 2017, Windows 7 devices were 3.4 times more likely to encounter ransomware compared to Windows 10 devices.

Read our latest report: A worthy upgrade: Next-gen security on Windows 10 proves resilient against ransomware outbreaks in 2017.