Ransom_CRYPTESLA.YUYALJ


 ALIASES:

Ransom:Win32/Genasom (Microsoft); Ransom.CryptXXX (Symantec); Trojan-Dropper.Win32.Sysn.cfhs (Kaspersky); Troj/Ransom-EOK (Sophos); Trojan.Win32.Generic!BT (Sunbelt); Trojan horse SCGeneric2.AETL (AVG)

 PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  TECHNICAL DETAILS

File Size:

474,624 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

30 Jun 2017

Arrival Details

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Installation

This Trojan creates the following folders:

  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0

(Note: %Application Data% is the Application Data folder, where it usually is C:\Documents and Settings\{user name}\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)

Autostart Technique

This Trojan adds the following registry entries to enable its automatic execution at every system startup:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
WindowsDrivers = "{malware path and file name}"

Other System Modifications

This Trojan deletes the following files:

  • %Desktop%.ini
  • %User Profile%\Sample Music\Beethoven's Symphony No. 9 (Scherzo).wma
  • %User Profile%\Sample Music\New Stories (Highway Blues).wma
  • %User Profile%\0008044E\Plylst1.wpl
  • %User Profile%\0008044E\Plylst10.wpl
  • %User Profile%\0008044E\Plylst11.wpl
  • %User Profile%\0008044E\Plylst12.wpl
  • %User Profile%\0008044E\Plylst13.wpl
  • %User Profile%\0008044E\Plylst14.wpl
  • %User Profile%\0008044E\Plylst15.wpl
  • %User Profile%\0008044E\Plylst2.wpl
  • %User Profile%\0008044E\Plylst3.wpl
  • %User Profile%\0008044E\Plylst4.wpl
  • %User Profile%\0008044E\Plylst5.wpl
  • %User Profile%\0008044E\Plylst6.wpl
  • %User Profile%\0008044E\Plylst7.wpl
  • %User Profile%\0008044E\Plylst8.wpl
  • %User Profile%\0008044E\Plylst9.wpl

(Note: %Desktop% is the desktop folder, where it usually is C:\Documents and Settings\{user name}\Desktop in Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\Desktop in Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.. %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.)

Dropping Routine

This Trojan drops the following files:

  • %User Profile%\Local Settings\Tempimage.jpg
  • %Desktop%.ini.Tesla
  • %User Profile%\Sample Music\Beethoven's Symphony No. 9 (Scherzo).wma.Tesla
  • %User Profile%\Sample Music\New Stories (Highway Blues).wma.Tesla
  • %User Profile%\0008044E\Plylst1.wpl.Tesla
  • %User Profile%\0008044E\Plylst10.wpl.Tesla
  • %User Profile%\0008044E\Plylst11.wpl.Tesla
  • %User Profile%\0008044E\Plylst12.wpl.Tesla
  • %User Profile%\0008044E\Plylst13.wpl.Tesla
  • %User Profile%\0008044E\Plylst14.wpl.Tesla
  • %User Profile%\0008044E\Plylst15.wpl.Tesla
  • %User Profile%\0008044E\Plylst2.wpl.Tesla
  • %User Profile%\0008044E\Plylst3.wpl.Tesla
  • %User Profile%\0008044E\Plylst4.wpl.Tesla
  • %User Profile%\0008044E\Plylst5.wpl.Tesla
  • %User Profile%\0008044E\Plylst6.wpl.Tesla
  • %User Profile%\0008044E\Plylst7.wpl.Tesla
  • %User Profile%\0008044E\Plylst8.wpl.Tesla
  • %User Profile%\0008044E\Plylst9.wpl.Tesla
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\xijl2nez.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\xijl2nez.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\54nwr23b.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\54nwr23b.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\qgkufvsd.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\qgkufvsd.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\5lyz4ltu.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\5lyz4ltu.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\jqtslzw2.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\jqtslzw2.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\n4xym4q3.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\n4xym4q3.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\tfhdt5qb.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\tfhdt5qb.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\n1oywkcr.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\n1oywkcr.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\mw3kbwa1.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\mw3kbwa1.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\1yqd0ren.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\1yqd0ren.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\1l0k1n4t.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\1l0k1n4t.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\pphct5ho.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\pphct5ho.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\kz4fddrk.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\kz4fddrk.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\rso24a5q.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\rso24a5q.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\yi4npodi.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\yi4npodi.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\au33ztrf.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\au33ztrf.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\v0ttgf3e.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\v0ttgf3e.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\4dodplu5.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\4dodplu5.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\truq2g4s.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\truq2g4s.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\x35h0j0b.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\x35h0j0b.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\fqv2frgp.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\fqv2frgp.newcfg

(Note: %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.. %Desktop% is the desktop folder, where it usually is C:\Documents and Settings\{user name}\Desktop in Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\Desktop in Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.. %Application Data% is the Application Data folder, where it usually is C:\Documents and Settings\{user name}\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)

Other Details

This Trojan connects to the following possibly malicious URL:

  • {BLOCKED}.145.251
  • {BLOCKED}.167.138

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine:

9.8

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Restart in Safe Mode

[ Learn More ]

Step 3

Delete this registry value

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • WindowsDrivers = "{malware path and file name}"

Step 4

Search and delete these components

[ Learn More ]
There may be some components that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
  • %User Profile%\Local Settings\Tempimage.jpg
  • %Desktop%.ini.Tesla
  • %User Profile%\Sample Music\Beethoven's Symphony No. 9 (Scherzo).wma.Tesla
  • %User Profile%\Sample Music\New Stories (Highway Blues).wma.Tesla
  • %User Profile%\0008044E\Plylst1.wpl.Tesla
  • %User Profile%\0008044E\Plylst10.wpl.Tesla
  • %User Profile%\0008044E\Plylst11.wpl.Tesla
  • %User Profile%\0008044E\Plylst12.wpl.Tesla
  • %User Profile%\0008044E\Plylst13.wpl.Tesla
  • %User Profile%\0008044E\Plylst14.wpl.Tesla
  • %User Profile%\0008044E\Plylst15.wpl.Tesla
  • %User Profile%\0008044E\Plylst2.wpl.Tesla
  • %User Profile%\0008044E\Plylst3.wpl.Tesla
  • %User Profile%\0008044E\Plylst4.wpl.Tesla
  • %User Profile%\0008044E\Plylst5.wpl.Tesla
  • %User Profile%\0008044E\Plylst6.wpl.Tesla
  • %User Profile%\0008044E\Plylst7.wpl.Tesla
  • %User Profile%\0008044E\Plylst8.wpl.Tesla
  • %User Profile%\0008044E\Plylst9.wpl.Tesla
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\xijl2nez.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\xijl2nez.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\54nwr23b.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\54nwr23b.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\qgkufvsd.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\qgkufvsd.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\5lyz4ltu.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\5lyz4ltu.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\jqtslzw2.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\jqtslzw2.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\n4xym4q3.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\n4xym4q3.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\tfhdt5qb.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\tfhdt5qb.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\n1oywkcr.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\n1oywkcr.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\mw3kbwa1.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\mw3kbwa1.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\1yqd0ren.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\1yqd0ren.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\1l0k1n4t.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\1l0k1n4t.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\pphct5ho.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\pphct5ho.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\kz4fddrk.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\kz4fddrk.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\rso24a5q.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\rso24a5q.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\yi4npodi.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\yi4npodi.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\au33ztrf.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\au33ztrf.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\v0ttgf3e.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\v0ttgf3e.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\4dodplu5.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\4dodplu5.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\truq2g4s.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\truq2g4s.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\x35h0j0b.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\x35h0j0b.newcfg
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\fqv2frgp.tmp
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0\fqv2frgp.newcfg

Step 5

Search and delete these folders

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden folders in the search result.
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr
  • %Application Data%\Microsoft\9A09EE9356EB74FFB2C14B93D_Url_3pacq0j2bu5mfrvph55va4a5vgkpjrqr\1.0.0.0

Step 6

Restart in normal mode and scan your computer with your Trend Micro product for files detected as Ransom_CRYPTESLA.YUYALJ. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.

Step 7

Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again.

  • %Desktop%.ini
  • %User Profile%\Sample Music\Beethoven's Symphony No. 9 (Scherzo).wma
  • %User Profile%\Sample Music\New Stories (Highway Blues).wma
  • %User Profile%\0008044E\Plylst1.wpl
  • %User Profile%\0008044E\Plylst10.wpl
  • %User Profile%\0008044E\Plylst11.wpl
  • %User Profile%\0008044E\Plylst12.wpl
  • %User Profile%\0008044E\Plylst13.wpl
  • %User Profile%\0008044E\Plylst14.wpl
  • %User Profile%\0008044E\Plylst15.wpl
  • %User Profile%\0008044E\Plylst2.wpl
  • %User Profile%\0008044E\Plylst3.wpl
  • %User Profile%\0008044E\Plylst4.wpl
  • %User Profile%\0008044E\Plylst5.wpl
  • %User Profile%\0008044E\Plylst6.wpl
  • %User Profile%\0008044E\Plylst7.wpl
  • %User Profile%\0008044E\Plylst8.wpl
  • %User Profile%\0008044E\Plylst9.wpl


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