Ransomware Research

About Cancer


Cancer was first discovered in February 2017 in enterprise cloud environments.

Name Cancer
First Seen February 2017

Behavior of Cancer

Cancer is known to target specific file types. Below are all known file types that Cancer is known to infect.

In some cases, ransomware will update the modified date, when it encrypts files. Cancer resets the last modified date of the file it targets.

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Characteristics of Cancer

Here are some of the unique characteristics that are helpful to know about Cancer.


Some ransomware will change or append a suffix to the end of the file after they are encrypted, including changing the extension of a file. Here are some of the possible suffixes that Cancer ransomware is known to change.


Ransomware Notes

Not all ransomware leaves a note. However, some ransomware leaves the infected party instructions on what the user should do to get rid of the ransomware, or satisfy the ransom. This often involves transferring money, often bitcoin or another cryptocurrency to a designated wallet.

Below are the type(s) of notes, content, and typical locations where Elastio has found ransom notes from Cancer.



These are the names of the executables that contain the undetonated ransomware payload for Cancer.

ExecutablesVirusTotal.exe, cancer.exe, cancer ransom.exe, VirusTotal.com .exe, Cancer Malware.exe

External Pages

Ransomware often links to external pages such as payment pages, telegram contacts, etc. Below are some of the URLs Elastio has found to be associated with Cancer.

External Pages
  • mailto:arran.bishop89@aol.com
  • jabber:jqueryxmpp@exploit.im
  • skype:jquery.finland
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