Ransom:Win32/HydraCrypt.A
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 malicious hacker.
We have seen this threat distributed by exploit kits (Neutrino, Axpergle, and Exploit:Win32/CVE-2016-0034), and through URLs embedded in spam emails that points to malicious macro downloaders.
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.
Ransom:Win32/Cribit.A
Windows Defender detects and removes this threat.
This threat stops you from opening your files and displays a message, commonly called a "lock screen".
It tries to scare you into paying a fine to unlock your PC.
Windows 10 protects you from ransomware. Read more:
Windows 10 Creators Update provides next-gen ransomware protection
You can read more on our ransomware page.
Ransom:Win32/Tescrypt.S
Windows Defender 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.
Windows 10 protects you from ransomware. Read more:
Windows 10 Creators Update provides next-gen ransomware protection
Our ransomware page has more information on this type of threat.
Ransom:Win32/Hyptkript.A
Windows Defender 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.
Windows 10 protects you from ransomware. Read more:
Windows 10 Creators Update provides next-gen ransomware protection
Find out ways that malware can get on your PC.
You can read more on our ransomware page.
Ransom:BAT/Xibow
Windows Defender Antivirus detects and removes this threat.
This ransomware family locks your PC and displays a full-screen message (commonly called a "lock screen").
See the Technical information tab for examples of the lock screen.
It is distributed as a spam file attachment that tries to trick you into downloading and opening it.
You can read more on our ransomware page.
Ransom:Win32/Threatfin
Windows Defender detects and removes this threat.
This threat shows a full-screen message preventing you from accessing your desktop. The message tells you to pay a ransom to regain access to your PC. This type of threat is called ransomware.
It can be installed by other malware, such as Backdoor:Win32/Bedep.
You can read more about this type of malware our ransomware page.
Ransom:Win32/Tescrypt
Windows Defender 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.
See the Win32/Tescrypt ransomware family description for more information.
As of April 2015, we have observed an increase in Tescrypt activity as it gets dropped by a few exploit kits such as Exploit:SWF/Axpergle (Angler), Exploit:JS/Neclu (Nuclear), JS/Fiexp (Fiesta), and JS/Anogre (Sweet Orange).
Our ransomware page has more information on this type of threat.
Ransom:Win32/Tescrypt.R
Windows Defender 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.
Our ransomware page has more information on this type of threat.
Ransom:Win32/Genasom.BG
Microsoft Defender Antivirus detects and removes this threat.
This threat stops you from loading Windows and displays a full-screen message, commonly called a "lock screen". If this threat asks you to pay a fee or fine, do not pay it. The message is a fraud.
It tries to scare you into paying a fine or texting a premium-charge phone number to unlock your PC.
You can read more on our ransomware page.
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.
Ransom:Win32/Genasom.BQ
Microsoft Defender Antivirus detects and removes this threat.
This threat stops you from opening your files and displays a message, commonly called a "lock screen".
It tries to scare you into paying a fine to unlock your PC.
You can read more on our ransomware page.
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.
Ransom:Win32/Genasom.EI
Microsoft Defender Antivirus detects and removes this threat.
This threat stops you from loading Windows and displays a full-screen message, commonly called a "lock screen". If this threat asks you to pay a fee or fine, do not pay it. The message is a fraud.
It tries to scare you into paying a fine to unlock your PC.
You can read more on our ransomware page.
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.
Ransom:Win32/Genasom.KD
Microsoft Defender Antivirus detects and removes this threat.
This threat stops you from loading Windows and displays a full-screen message, commonly called a "lock screen". If this threat asks you to pay a fee or fine, do not pay it. The message is a fraud.
It tries to scare you into paying a fine to unlock your PC.
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.
Ransom:Win32/SyncCrypt.A
Microsoft Defender Antivirus detects and removes this threat.
This ransomware can stop you from using your PC or accessing your data. It encrypts target files and adds the file name extension .kk.
After encrypting files, it leaves a ransom note, which contains instructions to pay a "ransom" in the form of Bitcoins. It then runs a batch file to delete itself from the computer.
This ransomware may be downloaded from the web by Trojan downloaders, such as TrojanDownloader:JS/Telicodeq.A.
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.