Type
File Name
Location
RotorCrypt was first discovered in September 2016 in enterprise cloud environments. RotorCrypt is found in environments with a number of different names, including RotoCrypt, Tar, etc. For a full list of all names, please see below.
Name
RotorCrypt
First Seen
September 2016
RotorCrypt is known to target specific file types. Below are all known file types that RotorCrypt is known to infect.
In some cases, ransomware will update the modified date, when it encrypts files. RotorCrypt resets the last modified date of the file it targets.
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 RotorCrypt ransomware is known to change.
Suffixes
.tar, ___tar, .v8, .adamant, .pgp, .rar, .Black_OFFserve!, .crypo, .SPG, .mail, .psd, .ES_HELPs, .1C, .1-C, .cryptotes, .PAYMAN, .a800, .prus, .bak, .RT4BLOCK, .ANTIDOT, .PRIVAT66, .SENRUS17, .BlockBax_v3.2, .biz, .c400, .c300
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 RotorCrypt.
Type File Name Location file INFO.txt EveryFolder file prontos_chek_base.txt EveryFolder file Help.txt EveryFolder file readme.txt EveryFolder file recovery.instruction.txt EveryFolder file DOCTOR EveryFolder file informprus.txt EveryFolder file NEWS_INGiBiToR.txt EveryFolder
These are the names of the executables that contain the undetonated ransomware payload for RotorCrypt.
Executables
jMdmXUlS.exe, GbMxybQN.exe, sys.exe, GWWABPFL_Unpack.EXE, UQjiGhLH.exe, Ransom.RotoCrypt.exe, iuy.exe, 87675384___.exe, RSzENyXs.exe, ZGXAJWHs.exe, eDIRirAR.exe, RotoCrypt, OvotKbIF.exe, 68433461.exe, SvYZSTMJ.exe, UhevENmH.exe, 3.ex, ins.exe, dead rdp.exe, RarYBiHI.exe, RotorCrypt.exe, fcBCjQRq.exe, INazYNWb.exe, SJGZYXKH.EXE, ItSTMxWX.exe, qLsZCjAl.exe, WbshKnkR.exe, SYSTEM22.exe, f0106768.exe, rotor2.exe, $RSXX5QC.exe, winlogox.exe111, svalwzmz.exe, win_pro.exe, myfile.exe, hixonwzo.exe, wdedwzwl.exe, rgbcnczg.exe, winIogon.exe, kvqvadmz.exe, lelmfoxy.exe, kdehynij.exe, config.exe, qxslydwx.exe, qpqlktqz.exe, wlnIogon.exe, 232323.t, wlnlogon n.exe,
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 RotorCrypt.
External Pages
