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Ransom_WALTRIX.YUYALJ

August 05, 2016
 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:

65,536 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

05 Aug 2016

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.

Other System Modifications

This Trojan modifies the following file(s):

  • %Application Data%\Microsoft\Media Player\CurrentDatabase_59R.wmdb
  • %Temporary Internet Files%\Content.IE5\desktop.ini
  • %Temporary Internet Files%\desktop.ini
  • %Start Menu%\Programs\Accessories\Accessibility\desktop.ini
  • %Start Menu%\Programs\Accessories\Entertainment\desktop.ini
  • %Start Menu%\Programs\Accessories\desktop.ini
  • %User Startup%\desktop.ini
  • %Start Menu%\Programs\desktop.ini
  • %Start Menu%\desktop.ini
  • %User Profile%\Templates\amipro.sam
  • %User Profile%\Templates\excel.xls
  • %User Profile%\Templates\excel4.xls
  • %User Profile%\Templates\powerpnt.ppt
  • %User Profile%\Templates\sndrec.wav
  • %User Profile%\Templates\winword.doc
  • %User Profile%\Templates\winword2.doc
  • %User Profile%\Templates\wordpfct.wpd
  • %User Profile%\Templates\wordpfct.wpg
  • %User Profile%\ntuser.ini

(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.. %Temporary Internet Files% is the Temporary Internet Files folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temporary Internet Files on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Microsoft\Windows\Temporary Internet Files on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), and Windows Server 2008; C:\Users\{user name}\AppData\Local\Microsoft\Windows\INetCache on Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), and Windows Server 2012.. %Start Menu% is the Start Menu folder, where it usually is C:\Documents and Settings\{user name}\Start Menu on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu 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.. %User Startup% is the current user's Startup folder, which is usually C:\Documents and Settings\{user}\Start Menu\Programs\Startup on Windows 2000 and XP, and C:\Documents and Settings\{User name}\Start Menu\Programs\Startup on Windows Vista, 7, and 8.. %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 Temp%\README.TXT
  • %User Temp%\README.HTML
  • %User Temp%\PAB.KEY
  • %User Temp%\README.BMP
  • %User Profile%\RSA\MachineKeys
  • %Desktop%.ini
  • %User Profile%\Quick Launch\README.txt
  • %User Profile%\Quick Launch\README.html
  • %User Profile%\Quick Launch\README.bmp
  • %User Profile%\Internet Explorer\brndlog.txt
  • %User Profile%\Internet Explorer\README.txt
  • %User Profile%\Internet Explorer\README.html
  • %User Profile%\Internet Explorer\README.bmp
  • %User Profile%\Application Data\README.txt
  • %User Profile%\Application Data\README.html
  • %User Profile%\Application Data\README.bmp
  • %User Profile%\Cookies\wilbert@atdmt[2].txt
  • %User Profile%\Cookies\wilbert@bing[2].txt
  • %User Profile%\Cookies\wilbert@c.atdmt[2].txt
  • %User Profile%\Cookies\wilbert@c.msn[2].txt
  • %User Profile%\Cookies\wilbert@doubleclick[1].txt
  • %User Profile%\Cookies\wilbert@microsoft[1].txt
  • %User Profile%\Cookies\wilbert@msnportal.112.2o7[1].txt
  • %User Profile%\Cookies\wilbert@msn[2].txt
  • %User Profile%\Cookies\wilbert@scorecardresearch[2].txt
  • %User Profile%\Cookies\wilbert@www.bing[2].txt
  • %User Profile%\Cookies\wilbert@www.msn[1].txt
  • %User Profile%\Cookies\README.txt
  • %User Profile%\Cookies\README.html
  • %User Profile%\Cookies\README.bmp
  • %Favorites%\README.txt
  • %Favorites%\README.html
  • %Favorites%\README.bmp
  • %Application Data%\Microsoft\Media Player\README.txt
  • %Application Data%\Microsoft\Media Player\README.html
  • %Application Data%\Microsoft\Media Player\README.bmp
  • %Application Data%\Microsoft\Wallpaper1.bmp
  • %Application Data%\Microsoft\README.txt
  • %Application Data%\Microsoft\README.html
  • %Application Data%\Microsoft\README.bmp
  • %User Profile%\History.IE5\README.txt
  • %User Profile%\History.IE5\README.html
  • %User Profile%\History.IE5\README.bmp
  • %User Profile%\History\README.txt
  • %User Profile%\History\README.html
  • %User Profile%\History\README.bmp
  • %User Temp%\dd_depcheck_NETFX_EXP_35.txt
  • %User Temp%\dd_dotnetfx35error.txt
  • %User Temp%\dd_dotnetfx35install.txt
  • %User Temp%\dd_dotNetFx40_Full_x86_x64_decompression_log.txt
  • %User Temp%\dd_MSXML6_MSI0686.txt
  • %User Temp%\dd_netfx20MSI7F16.txt
  • %User Temp%\dd_netfx20UI7F16.txt
  • %User Temp%\dd_NET_Framework20_Setup06A7.txt
  • %User Temp%\dd_NET_Framework30_Setup0775.txt
  • %User Temp%\dd_NET_Framework35_MSI07B9.txt
  • %User Temp%\dd_RGB9RAST_x86.msi0683.txt
  • %User Temp%\dd_vcredistMSI3CAA.txt
  • %User Temp%\dd_vcredistMSI7C21.txt
  • %User Temp%\dd_vcredistUI3CAA.txt
  • %User Temp%\dd_vcredistUI7C21.txt
  • %User Temp%\dd_wcf_CA_smci_20111017_044900_062.txt
  • %User Temp%\dd_wcf_retCA29BA.txt
  • %User Temp%\dd_WIC.txt
  • %User Temp%\dd_XPS.txt
  • %User Temp%\Microsoft .NET Framework 4 Setup_20111016_234618578-MSI_netfx_Core_x86.msi.txt
  • %User Temp%\Microsoft .NET Framework 4 Setup_20111016_234618578-MSI_netfx_Extended_x86.msi.txt
  • %User Temp%\Microsoft .NET Framework 4 Setup_20111016_234618578.html
  • %User Temp%\Microsoft Visual C++ 2010 x86 Redistributable Setup_20111020_000954642-MSI_vc_red.msi.txt
  • %User Temp%\Microsoft Visual C++ 2010 x86 Redistributable Setup_20111020_000954642.html
  • %User Temp%\uxeventlog.txt
  • %User Temp%\WSFF8.tmp
  • %User Temp%\WSFF9.tmp
  • %User Temp%\README.txt
  • %User Temp%\README.html
  • %User Temp%\README.bmp
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\1d56986ff895d82941fb9faf08c76f[1].css
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\4[1].gif
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\53CAC6A10B6248682CF221B24A92[1].gif
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\5c5d9b9cb6c19bcac7f82d676b488b[1].css
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\8213D9F75AD098D48F237D6CCC29F8[1].jpg
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\836390dd7004a00c9b21db33678d84[1].png
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\adchoices_gif2[1].gif
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\ADSAdClient31[1].htm
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\ADSAdClient31[2].htm
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\BA1FA617D2822CCF20CF2239452095[1].jpg
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\bottom_left3[1].png
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\bottom_right3[1].png
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\box02[1].gif
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\c57bc2a7d38843d7c4aa8028fc9f82[1].gif
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\D2543C851E4AE4B1DB2DE3B1562DB[1].jpg
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\desktop.ini
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\msn[1].htm
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\top_left3[1].png
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\README.txt
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\README.html
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\README.bmp
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\0000000001_000000000000000017246[1].gif
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\15A727F1384E33C33F18A135D9710[1].jpg
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\5280118e68aedbc5821d17132a5340[1].gif
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\8adae8665171049ce4960396c72c86[1].gif
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\923334461022280076d968be269386[1].png
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\9FFCFB0D17D6A8FD7C27416ED0DB[1].jpg
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\ADSAdClient31[1].htm
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\BA0EAC3FA44E01BE67D7651C9E60[1].jpg
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\box04[1].gif
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\box08[1].gif
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\cc36ca69630adc1a2052edc7351a47[1].gif
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\desktop.ini
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\header00b[1].gif
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\primedns[1].gif
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\primedns[2].gif
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\sck[1].htm
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\table_bottom3[1].png
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\README.txt
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\README.html
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\README.bmp
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\147[1].jpg
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\1db850e671ac9a39751a1482909ea6[1].jpg
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\614595fba50d96389708a4135776e4[1].gif
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\617475cf39bf6f5c0bd6ecb985335c[1].gif
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\9E82BCBB661C2665F77225A5DCC867[1].jpg
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\ADSAdClient31[1].htm
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\ADSAdClient31[2].htm
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\background[1].gif
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\box06[1].gif
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\CDAB2F44A1591D2B308C20C6C15375[1].jpg
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\desktop.ini
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\FD4957C9FB46179035C1C4F6407F10[1].jpg
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\GRedirect[2].aspx
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\msnhomepagehistory[1].aspx
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\primedns[1].gif
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\primedns[2].gif
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\primedns[3].gif
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\table_right3[1].png
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\top_right3[1].png
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\README.txt
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\README.html
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\README.bmp
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\290e7f0b12fa8a201581c74c1ae75a[1].gif
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\300x250_45914_4crocsl[1].jpg
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\37BA92E210D341BFDBF4126422A3D2[1].gif
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\4[1].gif
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\72541472A285479CAB60A1F736581[1].jpg
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\844DD2D2B4733FAE13849F794A7BD8[1].jpg
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\9b61bd1a420364db439350bebaac19[1].css
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\A5EE7088EC167F676F626203E7371[1].png
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\AB7F4D56A6421622DF40E72BA32B[1].gif
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\ADSAdClient31[1].htm
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\BCEE3611B4F81EDE9240922336F1[1].jpg
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\BING_websearch_2[1].jpg
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\conditionalbanners[1].htm
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\D8F68391953F21ECC405DCBA92D39[1].jpg
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\desktop.ini
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\F7D0CF254A92D3932EDCF252CA5AB4[1].jpg
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\footer00[1].gif
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\qsonhs[1].aspx
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\sck[1].htm
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\table_left3[1].png
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\table_top3[1].png
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\README.txt
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\README.html
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\README.bmp
  • %Temporary Internet Files%\Content.IE5\README.txt
  • %Temporary Internet Files%\Content.IE5\README.html
  • %Temporary Internet Files%\Content.IE5\README.bmp
  • %Temporary Internet Files%\README.txt
  • %Temporary Internet Files%\README.html
  • %Temporary Internet Files%\README.bmp
  • %User Profile%\Local Settings\README.txt
  • %User Profile%\Local Settings\README.html
  • %User Profile%\Local Settings\README.bmp
  • %User Profile%\My Music\README.txt
  • %User Profile%\My Music\README.html
  • %User Profile%\My Music\README.bmp
  • %User Profile%\My Pictures\README.txt
  • %User Profile%\My Pictures\README.html
  • %User Profile%\My Pictures\README.bmp
  • %User Profile%\My Documents\README.txt
  • %User Profile%\My Documents\README.html
  • %User Profile%\My Documents\README.bmp
  • %User Profile%\Recent\README.txt
  • %User Profile%\Recent\README.html
  • %User Profile%\Recent\README.bmp
  • %User Profile%\SendTo\README.txt
  • %User Profile%\SendTo\README.html
  • %User Profile%\SendTo\README.bmp
  • %Start Menu%\Programs\Accessories\Accessibility\README.txt
  • %Start Menu%\Programs\Accessories\Accessibility\README.html
  • %Start Menu%\Programs\Accessories\Accessibility\README.bmp
  • %Start Menu%\Programs\Accessories\Entertainment\README.txt
  • %Start Menu%\Programs\Accessories\Entertainment\README.html
  • %Start Menu%\Programs\Accessories\Entertainment\README.bmp
  • %Start Menu%\Programs\Accessories\README.txt
  • %Start Menu%\Programs\Accessories\README.html
  • %Start Menu%\Programs\Accessories\README.bmp
  • %Start Menu%\Programs\Administrative Tools\desktop.ini
  • %Start Menu%\Programs\Administrative Tools\README.txt
  • %Start Menu%\Programs\Administrative Tools\README.html
  • %Start Menu%\Programs\Administrative Tools\README.bmp
  • %User Startup%\README.txt
  • %User Startup%\README.html
  • %User Startup%\README.bmp
  • %Start Menu%\Programs\README.txt
  • %Start Menu%\Programs\README.html
  • %Start Menu%\Programs\README.bmp
  • %Start Menu%\README.txt
  • %Start Menu%\README.html
  • %Start Menu%\README.bmp
  • %User Profile%\Templates\README.txt
  • %User Profile%\Templates\README.html
  • %User Profile%\Templates\README.bmp
  • %User Profile%\README.txt
  • %User Profile%\README.html
  • %User Profile%\README.bmp
  • %Start Menu%\Programs\README.txt.lnk
  • %Start Menu%\Programs\README.html.lnk
  • %Start Menu%\Programs\README.bmp.lnk
  • pdlonulzed
  • %Desktop%\README.txt
  • %Desktop%\README.html
  • %Desktop%\README.bmp

Other Details

This Trojan connects to the following possibly malicious URL:

  • {BLOCKED}.131.147

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

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 Temp%\README.TXT
  • %User Temp%\README.HTML
  • %User Temp%\PAB.KEY
  • %User Temp%\README.BMP
  • %User Profile%\RSA\MachineKeys
  • %Desktop%.ini
  • %User Profile%\Quick Launch\README.txt
  • %User Profile%\Quick Launch\README.html
  • %User Profile%\Quick Launch\README.bmp
  • %User Profile%\Internet Explorer\brndlog.txt
  • %User Profile%\Internet Explorer\README.txt
  • %User Profile%\Internet Explorer\README.html
  • %User Profile%\Internet Explorer\README.bmp
  • %User Profile%\Application Data\README.txt
  • %User Profile%\Application Data\README.html
  • %User Profile%\Application Data\README.bmp
  • %User Profile%\Cookies\wilbert@atdmt[2].txt
  • %User Profile%\Cookies\wilbert@bing[2].txt
  • %User Profile%\Cookies\wilbert@c.atdmt[2].txt
  • %User Profile%\Cookies\wilbert@c.msn[2].txt
  • %User Profile%\Cookies\wilbert@doubleclick[1].txt
  • %User Profile%\Cookies\wilbert@microsoft[1].txt
  • %User Profile%\Cookies\wilbert@msnportal.112.2o7[1].txt
  • %User Profile%\Cookies\wilbert@msn[2].txt
  • %User Profile%\Cookies\wilbert@scorecardresearch[2].txt
  • %User Profile%\Cookies\wilbert@www.bing[2].txt
  • %User Profile%\Cookies\wilbert@www.msn[1].txt
  • %User Profile%\Cookies\README.txt
  • %User Profile%\Cookies\README.html
  • %User Profile%\Cookies\README.bmp
  • %Favorites%\README.txt
  • %Favorites%\README.html
  • %Favorites%\README.bmp
  • %Application Data%\Microsoft\Media Player\README.txt
  • %Application Data%\Microsoft\Media Player\README.html
  • %Application Data%\Microsoft\Media Player\README.bmp
  • %Application Data%\Microsoft\Wallpaper1.bmp
  • %Application Data%\Microsoft\README.txt
  • %Application Data%\Microsoft\README.html
  • %Application Data%\Microsoft\README.bmp
  • %User Profile%\History.IE5\README.txt
  • %User Profile%\History.IE5\README.html
  • %User Profile%\History.IE5\README.bmp
  • %User Profile%\History\README.txt
  • %User Profile%\History\README.html
  • %User Profile%\History\README.bmp
  • %User Temp%\dd_depcheck_NETFX_EXP_35.txt
  • %User Temp%\dd_dotnetfx35error.txt
  • %User Temp%\dd_dotnetfx35install.txt
  • %User Temp%\dd_dotNetFx40_Full_x86_x64_decompression_log.txt
  • %User Temp%\dd_MSXML6_MSI0686.txt
  • %User Temp%\dd_netfx20MSI7F16.txt
  • %User Temp%\dd_netfx20UI7F16.txt
  • %User Temp%\dd_NET_Framework20_Setup06A7.txt
  • %User Temp%\dd_NET_Framework30_Setup0775.txt
  • %User Temp%\dd_NET_Framework35_MSI07B9.txt
  • %User Temp%\dd_RGB9RAST_x86.msi0683.txt
  • %User Temp%\dd_vcredistMSI3CAA.txt
  • %User Temp%\dd_vcredistMSI7C21.txt
  • %User Temp%\dd_vcredistUI3CAA.txt
  • %User Temp%\dd_vcredistUI7C21.txt
  • %User Temp%\dd_wcf_CA_smci_20111017_044900_062.txt
  • %User Temp%\dd_wcf_retCA29BA.txt
  • %User Temp%\dd_WIC.txt
  • %User Temp%\dd_XPS.txt
  • %User Temp%\Microsoft .NET Framework 4 Setup_20111016_234618578-MSI_netfx_Core_x86.msi.txt
  • %User Temp%\Microsoft .NET Framework 4 Setup_20111016_234618578-MSI_netfx_Extended_x86.msi.txt
  • %User Temp%\Microsoft .NET Framework 4 Setup_20111016_234618578.html
  • %User Temp%\Microsoft Visual C++ 2010 x86 Redistributable Setup_20111020_000954642-MSI_vc_red.msi.txt
  • %User Temp%\Microsoft Visual C++ 2010 x86 Redistributable Setup_20111020_000954642.html
  • %User Temp%\uxeventlog.txt
  • %User Temp%\WSFF8.tmp
  • %User Temp%\WSFF9.tmp
  • %User Temp%\README.txt
  • %User Temp%\README.html
  • %User Temp%\README.bmp
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\1d56986ff895d82941fb9faf08c76f[1].css
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\4[1].gif
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\53CAC6A10B6248682CF221B24A92[1].gif
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\5c5d9b9cb6c19bcac7f82d676b488b[1].css
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\8213D9F75AD098D48F237D6CCC29F8[1].jpg
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\836390dd7004a00c9b21db33678d84[1].png
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\adchoices_gif2[1].gif
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\ADSAdClient31[1].htm
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\ADSAdClient31[2].htm
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\BA1FA617D2822CCF20CF2239452095[1].jpg
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\bottom_left3[1].png
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\bottom_right3[1].png
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\box02[1].gif
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\c57bc2a7d38843d7c4aa8028fc9f82[1].gif
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\D2543C851E4AE4B1DB2DE3B1562DB[1].jpg
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\desktop.ini
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\msn[1].htm
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\top_left3[1].png
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\README.txt
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\README.html
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\README.bmp
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\0000000001_000000000000000017246[1].gif
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\15A727F1384E33C33F18A135D9710[1].jpg
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\5280118e68aedbc5821d17132a5340[1].gif
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\8adae8665171049ce4960396c72c86[1].gif
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\923334461022280076d968be269386[1].png
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\9FFCFB0D17D6A8FD7C27416ED0DB[1].jpg
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\ADSAdClient31[1].htm
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\BA0EAC3FA44E01BE67D7651C9E60[1].jpg
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\box04[1].gif
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\box08[1].gif
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\cc36ca69630adc1a2052edc7351a47[1].gif
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\desktop.ini
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\header00b[1].gif
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\primedns[1].gif
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\primedns[2].gif
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\sck[1].htm
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\table_bottom3[1].png
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\README.txt
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\README.html
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\README.bmp
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\147[1].jpg
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\1db850e671ac9a39751a1482909ea6[1].jpg
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\614595fba50d96389708a4135776e4[1].gif
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\617475cf39bf6f5c0bd6ecb985335c[1].gif
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\9E82BCBB661C2665F77225A5DCC867[1].jpg
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\ADSAdClient31[1].htm
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\ADSAdClient31[2].htm
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\background[1].gif
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\box06[1].gif
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\CDAB2F44A1591D2B308C20C6C15375[1].jpg
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\desktop.ini
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\FD4957C9FB46179035C1C4F6407F10[1].jpg
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\GRedirect[2].aspx
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\msnhomepagehistory[1].aspx
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\primedns[1].gif
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\primedns[2].gif
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\primedns[3].gif
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\table_right3[1].png
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\top_right3[1].png
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\README.txt
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\README.html
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\README.bmp
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\290e7f0b12fa8a201581c74c1ae75a[1].gif
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\300x250_45914_4crocsl[1].jpg
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\37BA92E210D341BFDBF4126422A3D2[1].gif
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\4[1].gif
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\72541472A285479CAB60A1F736581[1].jpg
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\844DD2D2B4733FAE13849F794A7BD8[1].jpg
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\9b61bd1a420364db439350bebaac19[1].css
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\A5EE7088EC167F676F626203E7371[1].png
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\AB7F4D56A6421622DF40E72BA32B[1].gif
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\ADSAdClient31[1].htm
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\BCEE3611B4F81EDE9240922336F1[1].jpg
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\BING_websearch_2[1].jpg
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\conditionalbanners[1].htm
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\D8F68391953F21ECC405DCBA92D39[1].jpg
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\desktop.ini
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\F7D0CF254A92D3932EDCF252CA5AB4[1].jpg
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\footer00[1].gif
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\qsonhs[1].aspx
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\sck[1].htm
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\table_left3[1].png
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\table_top3[1].png
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\README.txt
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\README.html
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\README.bmp
  • %Temporary Internet Files%\Content.IE5\README.txt
  • %Temporary Internet Files%\Content.IE5\README.html
  • %Temporary Internet Files%\Content.IE5\README.bmp
  • %Temporary Internet Files%\README.txt
  • %Temporary Internet Files%\README.html
  • %Temporary Internet Files%\README.bmp
  • %User Profile%\Local Settings\README.txt
  • %User Profile%\Local Settings\README.html
  • %User Profile%\Local Settings\README.bmp
  • %User Profile%\My Music\README.txt
  • %User Profile%\My Music\README.html
  • %User Profile%\My Music\README.bmp
  • %User Profile%\My Pictures\README.txt
  • %User Profile%\My Pictures\README.html
  • %User Profile%\My Pictures\README.bmp
  • %User Profile%\My Documents\README.txt
  • %User Profile%\My Documents\README.html
  • %User Profile%\My Documents\README.bmp
  • %User Profile%\Recent\README.txt
  • %User Profile%\Recent\README.html
  • %User Profile%\Recent\README.bmp
  • %User Profile%\SendTo\README.txt
  • %User Profile%\SendTo\README.html
  • %User Profile%\SendTo\README.bmp
  • %Start Menu%\Programs\Accessories\Accessibility\README.txt
  • %Start Menu%\Programs\Accessories\Accessibility\README.html
  • %Start Menu%\Programs\Accessories\Accessibility\README.bmp
  • %Start Menu%\Programs\Accessories\Entertainment\README.txt
  • %Start Menu%\Programs\Accessories\Entertainment\README.html
  • %Start Menu%\Programs\Accessories\Entertainment\README.bmp
  • %Start Menu%\Programs\Accessories\README.txt
  • %Start Menu%\Programs\Accessories\README.html
  • %Start Menu%\Programs\Accessories\README.bmp
  • %Start Menu%\Programs\Administrative Tools\desktop.ini
  • %Start Menu%\Programs\Administrative Tools\README.txt
  • %Start Menu%\Programs\Administrative Tools\README.html
  • %Start Menu%\Programs\Administrative Tools\README.bmp
  • %User Startup%\README.txt
  • %User Startup%\README.html
  • %User Startup%\README.bmp
  • %Start Menu%\Programs\README.txt
  • %Start Menu%\Programs\README.html
  • %Start Menu%\Programs\README.bmp
  • %Start Menu%\README.txt
  • %Start Menu%\README.html
  • %Start Menu%\README.bmp
  • %User Profile%\Templates\README.txt
  • %User Profile%\Templates\README.html
  • %User Profile%\Templates\README.bmp
  • %User Profile%\README.txt
  • %User Profile%\README.html
  • %User Profile%\README.bmp
  • %Start Menu%\Programs\README.txt.lnk
  • %Start Menu%\Programs\README.html.lnk
  • %Start Menu%\Programs\README.bmp.lnk
  • pdlonulzed
  • %Desktop%\README.txt
  • %Desktop%\README.html
  • %Desktop%\README.bmp

Step 3

Scan your computer with your Trend Micro product to delete files detected as Ransom_WALTRIX.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 4

Restore deleted/modified files and/or registry entries from backup

*Note: Only Microsoft-related files/keys/values will be restored. If this malware/grayware also deleted registry keys/values related to programs that are not from Microsoft, please reinstall those programs on your computer.

    • %Application Data%\Microsoft\Media Player\CurrentDatabase_59R.wmdb
    • %Temporary Internet Files%\Content.IE5\desktop.ini
    • %Temporary Internet Files%\desktop.ini
    • %Start Menu%\Programs\Accessories\Accessibility\desktop.ini
    • %Start Menu%\Programs\Accessories\Entertainment\desktop.ini
    • %Start Menu%\Programs\Accessories\desktop.ini
    • %User Startup%\desktop.ini
    • %Start Menu%\Programs\desktop.ini
    • %Start Menu%\desktop.ini
    • %User Profile%\Templates\amipro.sam
    • %User Profile%\Templates\excel.xls
    • %User Profile%\Templates\excel4.xls
    • %User Profile%\Templates\powerpnt.ppt
    • %User Profile%\Templates\sndrec.wav
    • %User Profile%\Templates\winword.doc
    • %User Profile%\Templates\winword2.doc
    • %User Profile%\Templates\wordpfct.wpd
    • %User Profile%\Templates\wordpfct.wpg
    • %User Profile%\ntuser.ini


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