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Is Cryptolocker really gone?


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#1 dw1256

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Posted 23 March 2016 - 12:26 PM

Hi,

 

I recently had the cryptolocker virus on my laptop so i re-installed the operating system.  How can I be confident that the virus is no longer on my computer?  Is it a wait and see kind of thing?

 

Thanks.

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#2 quietman7

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Posted 23 March 2016 - 06:22 PM

The original CryptoLocker Ransomware which first appeared in the beginning of September 2013...does not exist anymore and hasn't since June 2014. There are many copycat ransomware variants which pretend to be or use the CryptoLocker name but those infections are not the same. Any references to CryptoLocker and retrieving keys for it will not work anymore.

Were there any file extensions appended to your files...such as .ecc, .ezz, .exx, .zzz, .xyz, .aaa, .abc, .ccc, .vvv, .xxx, .ttt, .micro, .mp3, .encrypted, .locked, .crypto, _crypt, .crypt, .crypted, .crinf, .pzdc, .good, .R16M01D05, .cerber, .eclr, .sshxkej, .73i87A, .p5tkjw, PoAr2w, .surprise, .krypted, .r5a, .XTBL, .YTBL, .LOL!, .OMG!, .RDM, .RRK, .encedRSA, .encryptedRSA, .crjoker, .EnCiPhErEd, .LeChiffre, .keybtc@inbox_com, ._cryptcryptcrypt.@.gmail.com_, .0x0, .bleep, .1999, .vault, .HA3, .frtrss, .toxcrypt, .magic, .ENC, .locky, _sq.<filename>, .k2p, .Sanction, .SPORT, .cwgoqia, .trun, .crysis, .xrtn, .SUPERCRYPT, .CTBL, .CTB2, or 6-7 length extension consisting of random characters such as .uogltic, .rpyxhhm, .mtrsxox, .phszfud?

Did you find any ransom note? These infections are created to alert victims that their data has been encrypted and demand a ransom payment. Check your documents folder for an image the malware typically uses for the background note. Check the C:\ProgramData (or C:\Documents and Settings\All Users\Application Data) for a randomly named .html, .txt, .png, .bmp, .url file.

These are some examples of ransom notes:
HELP_DECRYPT.TXT, DECRYPT_INSTRUCTION.TXT, HELP_TO_DECRYPT_YOUR_FILES.txt, HELP_YOUR_FILES.TXT
HELP_FILE_[random number/letter].HTML, install_tor.url, ATTENTION.RTF, DecryptAllFiles.txt
Read.txt, ReadMe.txt, README1.txt...README10.txt, READ_IF_YOU_WANT_YOUR_FILES.html, Read_it.txt 
README_IMPORTANT.TXT, IMPORTANT READ ME.txt, README_FOR_DECRYPT.txt, READ!!!!!!!!!!!.ME.txt
_Locky_recover_instructions.txt, ReadDecryptFilesHere.txt, README!!.TXT, DecryptAllFiles_.txt
YOUR_FILES.HTML, YOUR_FILES.url, encryptor_raas_readme_liesmich.txt, Help_Decrypt.txt
HELP_RESTORE_FILES.txt, HELP_RECOVER_FILES.txt, HELP_TO_SAVE_FILES.txt, ABOUT_FILES!.txt
DECRYPT_INSTRUCTIONS.TXT, How_To_Recover_Files.txt, How_To_Restore_Files.txt, Coin.Locker.txt
HOW_TO_DECRYPT_FILES.TXT, HOW TO DECRYPT FILES.TXT, RECOVERY_KEY.TXT, DECRYPT MY FILES#..txt
_secret_code.txt, DECRYPT_ReadMe.TXT, BLEEPEDFILES.TXT, AllFilesAreLocked_.bmp, WHAT IS SQ_.tx
FILESAREGONE.TXT, IAMREADYTOPAY.TXT, HELLOTHERE.TXT, READTHISNOW!!!.TXT, IHAVEYOURSECRET.KEY
SECRET.KEY, SECRETIDHERE.KEY, HELP_DECYPRT_YOUR_FILES.HTML, README_DECRYPT_UMBRE_ID_[victim_id].txt
help_decrypt_your_files.html, RECOVERY_FILES.TXT, RECOVERY_FILE.TXT, RECOVERY_FILE_[random].txt
Howto_RESTORE_FILES_.txt, Howto_Restore_FILES.TXT, howto_recover_file_.txt, HELP_TO_SAVE_FILES.txt
how_recover+[random].txt, _how_recover_.txt, restore_files_.txt, recover_file_[random].txt
recover_files_[random].txt, recovery_file_[random].txt, help_recover_instructions+[3-random].txt
_H_e_l_p_RECOVER_INSTRUCTIONS+[3-random].txt, help recover files.txt, Recovery+[5-random].txt
_ReCoVeRy_+[5-random].txt, _recovery_+cryptolocker, Recovery_[5-random].txt, RECOVERY.TXT 
RECOVER+[random].TXT, RECOVER[5-random].TXT, _rEcOvEr_[5-random].txt, +REcovER+[5-random]+.txt
+-HELP-RECOVER-+[5-random]-+.txt, DECRYPTION_HOWTO.Notepad, Encrypted_Files.Notepad, DECRYPT.TXT
HELP_DECRYPT_YOUR_FILES.TXT, README_HOW_TO_UNLOCK.txt, encryped_list.txt

Note: The [random] represents random characters which some ransom notes names may include.
Crypto malware ransomware is typically programmed to automatically remove itself...the malicious files responsible for the infection...after the encrypting is done since they are no longer needed. Unfortunately, most victims do not realize they have been infected until the ransomware displays the ransom note and the files have already been encrypted. As such, they don't know how long the malware was on the system before being alerted or if other malware was installed along with the ransomware. If other malware was involved it could still be present so be sure to perform full scans with your anti-virus.

If your antivirus did not detect and remove anything, additional scans should be performed with other security programs like Malwarebytes Anti-Malware and Emsisoft Anti-Malware. You can also supplement your anti-virus or get a second opinion by performing an Online Virus Scan...ESET is one of the more effective online scanners.

If you need individual assistance only with removing the malware infection, follow the instructions in the Malware Removal and Log Section Preparation Guide...all other questions or comments should be posted in the support topics. When you have done that, start a new topic and post your logs in the Virus, Trojan, Spyware, and Malware Removal Logs forum, NOT here, for assistance by the Malware Response Team.
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#3 TheITGUI

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Posted 24 March 2016 - 07:51 AM

Safe to say it's gone. Re-iterate that it's always best to run periodic scans. If you have other PC's on the network you may want to check them as well.

While you're up and running you may want to invest in a good disk imager (Macrium Reflect or Acronis True Image) or a snapshot program (Comodo Time Machine, Shadow Defender, Rollback Rx). It's always good to grab a good solid backup solution while you have a clean state just in case...



#4 quietman7

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Posted 24 March 2016 - 03:49 PM

In regards to Rollback Rx...anyone interested should read this discussion topic: System Restore..Alternative !.
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#5 agaharis

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Posted 06 April 2016 - 05:20 AM

In regards to Rollback Rx...anyone interested should read this discussion topic: System Restore..Alternative !.

i'm sorry sir, can u help me pls i got some issues, most of my files getting ".crypt" extention which totally almost 200GB spreading only in 1 hour, is there any suggestion so i can open my file again? please, all my college file was there, and im about to have my degree, now i dont know what to do

 

it says protected by strong encryption with RSA4096 bleep and all i should pay for USD 500 for getting back my files

please someone help me

 

thanks.



#6 quietman7

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Posted 06 April 2016 - 07:08 AM

i'm sorry sir, can u help me pls i got some issues, most of my files getting ".crypt" extention which totally almost 200GB spreading only in 1 hour, is there any suggestion so i can open my file again? please, all my college file was there, and im about to have my degree, now i dont know what to do

it says protected by strong encryption with RSA4096 bleep and all i should pay for USD 500 for getting back my files
please someone help me


There are several crypto-malware variants which used that extension.

Chimera Ransomware encrypts your data and appends a .crypt extension to the end of each filename.
Win32/Filecoder.J variants encrypts your data and appends a .crypted extension to the end of the file name.
CryptInfinite Ransomware (Uniquekey@dr.com and crydhellsek@gmail.com) encrypts your data and appends a .crypt, .pzdc, or .good extension to the end of each filenam

Please read and follow the instructions in these topics.
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