Ransomware Research
About Mobef-Yakes
Mobef-Yakes
Mobef-Yakes was first discovered in April 2016 in enterprise cloud environments. Mobef-Yakes is found in environments with a number of different names, including Mobef-Yakes, Malasypt, etc. For a full list of all names, please see below.
| Name | Mobef-Yakes |
|---|---|
| AKA |
|
| First Seen | April 2016 |
Genealogy
To better understand Mobef-Yakes, we can trace it’s origins. Below is a snapshot of Mobef-Yakes’s genealogy.
| Booyah » CryptoBit » Mobef |
Targeting
Behavior of Mobef-Yakes
Mobef-Yakes is known to target specific file types. Below are all known file types that Mobef-Yakes is known to infect.
In some cases, ransomware will update the modified date, when it encrypts files. Mobef-Yakes resets the last modified date of the file it targets.
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Characteristics of Mobef-Yakes
Here are some of the unique characteristics that are helpful to know about Mobef-Yakes.
Suffixes
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 Mobef-Yakes ransomware is known to change.
| Suffixes | .keyh0les, .keyz |
|---|
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 Mobef-Yakes.
| Type | file |
|---|---|
| File Name | 4-15-2016-INFECTION.TXT |
| Location | EveryFolder |
Executables
These are the names of the executables that contain the undetonated ransomware payload for Mobef-Yakes.
| Executables | Cancel Autoplay 2, Mobef, Ransom.Mobef.A.exe, tmp.exe, Cancel Autoplay 2.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 Mobef-Yakes.
| External Pages |
|
|---|
How Elastio can help
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