BKDR_TRUVASYS.A
Windows
Threat Type: Backdoor
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This backdoor 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
Arrival Details
This backdoor 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 backdoor creates the following folders:
- %User Temp%\Microsoft
- %User Temp%\Microsoft\IKE
- %Program Files%\WinRAR
- %Start Menu%\Programs\WinRAR
- %User Temp%\resplgdll32
(Note: %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp 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.. %Program Files% is the Program Files folder, where it usually is C:\Program Files on all Windows operating system versions; C:\Program Files (x86) for 32-bit applications running on Windows 64-bit operating systems.. %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.)
Other System Modifications
This backdoor deletes the following files:
- %Desktop%\WinRAR.lnk
- %Start Menu%\WinRAR.lnk
- %User Temp%\resplgdll32\olesys32.dll
- %User Temp%\resplgdll32\mvhost32.dll
- %User Temp%\resplgdll32\sdwin32.dll
- %User Temp%\resplgdll32\ofx64.dll
(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.. %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 Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp 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.)
It adds the following registry keys:
HKEY_CURRENT_USER\Software\WinRAR SFX
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.rar
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.zip
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.cab
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.arj
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.lzh
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.ace
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.7z
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.tar
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.gz
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.uue
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.bz2
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.jar
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.iso
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.z
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.xz
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.001
HKEY_CURRENT_USER\Software\WinRAR\
Setup\Links
HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\App Paths\
WinRAR.exe
HKEY_LOCAL_MACHINE\Software\WinRAR
HKEY_CLASSES_ROOT\CLSID\{B41DB860-8EE4-11D2-9906-E49FADC173CA}
HKEY_CLASSES_ROOT\CLSID\{B41DB860-8EE4-11D2-9906-E49FADC173CA}\
InProcServer32
HKEY_CLASSES_ROOT\WinRAR\shellex\
ContextMenuHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA}
HKEY_CLASSES_ROOT\WinRAR\shellex\
PropertySheetHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA}
HKEY_CLASSES_ROOT\WinRAR.ZIP\shellex\
ContextMenuHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA}
HKEY_CLASSES_ROOT\WinRAR.ZIP\shellex\
PropertySheetHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA}
HKEY_CLASSES_ROOT\exefile\shellex\
PropertySheetHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA}
HKEY_CLASSES_ROOT\WinRAR\shellex\
DropHandler
HKEY_CLASSES_ROOT\WinRAR.ZIP\shellex\
DropHandler
HKEY_CLASSES_ROOT\*\shellex\
ContextMenuHandlers\WinRAR
HKEY_CLASSES_ROOT\Folder\shellex\
ContextMenuHandlers\WinRAR
HKEY_CLASSES_ROOT\Folder\shellex\
DragDropHandlers\WinRAR
HKEY_CLASSES_ROOT\Drive\shellex\
DragDropHandlers\WinRAR
HKEY_CLASSES_ROOT\.rar
HKEY_CLASSES_ROOT\.r00
HKEY_CLASSES_ROOT\.r01
HKEY_CLASSES_ROOT\.r02
HKEY_CLASSES_ROOT\.r03
HKEY_CLASSES_ROOT\.r04
HKEY_CLASSES_ROOT\.r05
HKEY_CLASSES_ROOT\.r06
HKEY_CLASSES_ROOT\.r07
HKEY_CLASSES_ROOT\.r08
HKEY_CLASSES_ROOT\.r09
HKEY_CLASSES_ROOT\.r10
HKEY_CLASSES_ROOT\.r11
HKEY_CLASSES_ROOT\.r12
HKEY_CLASSES_ROOT\.r13
HKEY_CLASSES_ROOT\.r14
HKEY_CLASSES_ROOT\.r15
HKEY_CLASSES_ROOT\.r16
HKEY_CLASSES_ROOT\.r17
HKEY_CLASSES_ROOT\.r18
HKEY_CLASSES_ROOT\.r19
HKEY_CLASSES_ROOT\.r20
HKEY_CLASSES_ROOT\.r21
HKEY_CLASSES_ROOT\.r22
HKEY_CLASSES_ROOT\.r23
HKEY_CLASSES_ROOT\.r24
HKEY_CLASSES_ROOT\.r25
HKEY_CLASSES_ROOT\.r26
HKEY_CLASSES_ROOT\.r27
HKEY_CLASSES_ROOT\.r28
HKEY_CLASSES_ROOT\.r29
HKEY_CLASSES_ROOT\.rar\ShellNew
HKEY_CLASSES_ROOT\.zip\ShellNew
HKEY_CLASSES_ROOT\.arj
HKEY_CLASSES_ROOT\.lzh
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.lha
HKEY_CLASSES_ROOT\.lha
HKEY_CLASSES_ROOT\.ace
HKEY_CLASSES_ROOT\.7z
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.tgz
HKEY_CLASSES_ROOT\.uue
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.xxe
HKEY_CLASSES_ROOT\.xxe
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.uu
HKEY_CLASSES_ROOT\.uu
HKEY_CLASSES_ROOT\.bz2
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.tbz2
HKEY_CLASSES_ROOT\.tbz2
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.bz
HKEY_CLASSES_ROOT\.bz
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.tbz
HKEY_CLASSES_ROOT\.tbz
HKEY_CLASSES_ROOT\.jar
HKEY_CLASSES_ROOT\.iso
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.taz
HKEY_CLASSES_ROOT\.taz
HKEY_CLASSES_ROOT\.xz
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.txz
HKEY_CLASSES_ROOT\.txz
HKEY_CLASSES_ROOT\.001
HKEY_CLASSES_ROOT\WinRAR\shell\
open\command
HKEY_CLASSES_ROOT\WinRAR\DefaultIcon
HKEY_CLASSES_ROOT\WinRAR.ZIP\shell\
open\command
HKEY_CLASSES_ROOT\WinRAR.ZIP\DefaultIcon
HKEY_CLASSES_ROOT\.rev
HKEY_CLASSES_ROOT\WinRAR.REV
HKEY_CLASSES_ROOT\WinRAR.REV\shell\
open\command
HKEY_CLASSES_ROOT\WinRAR.REV\DefaultIcon
HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
WinRAR archiver
It adds the following registry entries:
HKEY_CURRENT_USER\Software\WinRAR SFX
C%%Program Files%WinRAR = "%Program Files%\WinRAR"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.rar
Set = "1"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.zip
Set = "1"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.cab
Set = "1"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.arj
Set = "1"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.lzh
Set = "1"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.ace
Set = "1"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.7z
Set = "1"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.tar
Set = "1"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.gz
Set = "1"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.uue
Set = "1"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.bz2
Set = "1"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.jar
Set = "1"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.iso
Set = "1"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.z
Set = "1"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.xz
Set = "1"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.001
Set = "1"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\Links
Desktop = "0"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\Links
StartMenu = "0"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\Links
Programs = "1"
HKEY_CURRENT_USER\Software\WinRAR\
Setup
ShellExt = "1"
HKEY_CURRENT_USER\Software\WinRAR\
Setup
CascadedMenu = "0"
HKEY_CURRENT_USER\Software\WinRAR\
Setup
MenuIcons = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\WinRAR
exe32 = "%Program Files%\WinRAR\WinRAR.exe"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\App Paths\
WinRAR.exe
Path = "%Program Files%\WinRAR"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{B41DB860-8EE4-11D2-9906-E49FADC173CA}\InProcServer32
ThreadingModel = "Apartment"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Shell Extensions\
Approved
{B41DB860-8EE4-11D2-9906-E49FADC173CA} = "WinRAR shell extension"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.rar
Exist = "0"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
.rar\ShellNew
FileName = "%Program Files%\WinRAR\rarnew.dat"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.zip
Exist = "1"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.zip
Type = "CompressedFolder"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.zip
Content = "application/x-zip-compressed"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
.zip\ShellNew
FileName = "%Program Files%\WinRAR\zipnew.dat"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.cab
Exist = "1"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.cab
Type = "CLSID\{0CD7A5C0-9F37-11CE-AE65-08002B2E1262}"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.arj
Exist = "0"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.lzh
Exist = "0"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.lha
Exist = "0"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.ace
Exist = "0"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.7z
Exist = "0"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.tar
Exist = "1"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.tar
Content = "application/x-tar"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.gz
Exist = "1"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.gz
Content = "application/x-gzip"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.tgz
Exist = "1"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.tgz
Content = "application/x-compressed"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.uue
Exist = "0"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.xxe
Exist = "0"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.uu
Exist = "0"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.bz2
Exist = "0"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.tbz2
Exist = "0"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.bz
Exist = "0"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.tbz
Exist = "0"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.jar
Exist = "0"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.iso
Exist = "0"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.z
Exist = "1"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.z
Content = "application/x-compress"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.taz
Exist = "0"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.xz
Exist = "0"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.txz
Exist = "0"
HKEY_CURRENT_USER\Software\WinRAR\
Setup\.001
Exist = "0"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
WinRAR archiver
DisplayName = "WinRAR 5.30 beta 5 (32-bit)"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
WinRAR archiver
DisplayVersion = "5.30.5"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
WinRAR archiver
VersionMajor = "5"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
WinRAR archiver
VersionMinor = "1e"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
WinRAR archiver
UninstallString = "%Program Files%\WinRAR\uninstall.exe"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
WinRAR archiver
DisplayIcon = "%Program Files%\WinRAR\WinRAR.exe"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
WinRAR archiver
InstallLocation = "%Program Files%\WinRAR"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
WinRAR archiver
NoModify = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
WinRAR archiver
NoRepair = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
WinRAR archiver
Language = "0"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
WinRAR archiver
Publisher = "win.rar GmbH"
Dropping Routine
This backdoor drops the following files:
- %Temp%\winrar.exe
- %System%\resdllx.dll
- %System%\libeay32.dll
- %System%\ssleay32.dll
- %User Temp%\Microsoft\IKE\fprot32.exe
- %System%\dcomx32.exe
- %System%\winxsys.exe
- __tmp_rar_sfx_access_check_232765
- Descript.ion
- License.txt
- Rar.txt
- ReadMe.txt
- WhatsNew.txt
- Order.htm
- RarFiles.lst
- Uninstall.lst
- Rar.exe
- Uninstall.exe
- UnRAR.exe
- WinRAR.exe
- 7zxa.dll
- RarExt.dll
- RarExt64.dll
- UNACEV2.DLL
- WinRAR.chm
- Default.SFX
- WinCon.SFX
- Zip.SFX
- %Program Files%\WinRAR\rarnew.dat
- %Program Files%\WinRAR\zipnew.dat
- %Start Menu%\Programs\WinRAR\WinRAR.lnk
- %Start Menu%\Programs\WinRAR\WinRAR help.lnk
- %Start Menu%\Programs\WinRAR\Console RAR manual.lnk
- %Start Menu%\Programs\WinRAR\What is new in the latest version.lnk
- %User Temp%\resplgdll32\vId.bin
- %User Temp%\resplgdll32\fprot32.exe
(Note: %Temp% is the Windows temporary folder, where it usually is C:\Windows\Temp on all Windows operating system versions.. %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.. %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp 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.. %Program Files% is the Program Files folder, where it usually is C:\Program Files on all Windows operating system versions; C:\Program Files (x86) for 32-bit applications running on Windows 64-bit operating systems.. %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.)
Other Details
This backdoor connects to the following possibly malicious URL:
- {BLOCKED}0.1
- {BLOCKED}.112.68
This report is generated via an automated analysis system.
SOLUTION
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
Delete this registry key
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
- WinRAR SFX
- In HKEY_CURRENT_USER\Software\WinRAR\Setup
- .rar
- In HKEY_CURRENT_USER\Software\WinRAR\Setup
- .zip
- In HKEY_CURRENT_USER\Software\WinRAR\Setup
- .cab
- In HKEY_CURRENT_USER\Software\WinRAR\Setup
- .arj
- In HKEY_CURRENT_USER\Software\WinRAR\Setup
- .lzh
- In HKEY_CURRENT_USER\Software\WinRAR\Setup
- .ace
- In HKEY_CURRENT_USER\Software\WinRAR\Setup
- .7z
- In HKEY_CURRENT_USER\Software\WinRAR\Setup
- .tar
- In HKEY_CURRENT_USER\Software\WinRAR\Setup
- .gz
- In HKEY_CURRENT_USER\Software\WinRAR\Setup
- .uue
- In HKEY_CURRENT_USER\Software\WinRAR\Setup
- .bz2
- In HKEY_CURRENT_USER\Software\WinRAR\Setup
- .jar
- In HKEY_CURRENT_USER\Software\WinRAR\Setup
- .iso
- In HKEY_CURRENT_USER\Software\WinRAR\Setup
- .z
- In HKEY_CURRENT_USER\Software\WinRAR\Setup
- .xz
- In HKEY_CURRENT_USER\Software\WinRAR\Setup
- .001
- In HKEY_CURRENT_USER\Software\WinRAR\Setup
- Links
- In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\App Paths
- WinRAR.exe
- In HKEY_LOCAL_MACHINE\Software
- WinRAR
- In HKEY_CLASSES_ROOT\CLSID
- {B41DB860-8EE4-11D2-9906-E49FADC173CA}
- In HKEY_CLASSES_ROOT\CLSID\{B41DB860-8EE4-11D2-9906-E49FADC173CA}
- InProcServer32
- In HKEY_CLASSES_ROOT\WinRAR\shellex\ContextMenuHandlers
- {B41DB860-8EE4-11D2-9906-E49FADC173CA}
- In HKEY_CLASSES_ROOT\WinRAR\shellex\PropertySheetHandlers
- {B41DB860-8EE4-11D2-9906-E49FADC173CA}
- In HKEY_CLASSES_ROOT\WinRAR.ZIP\shellex\ContextMenuHandlers
- {B41DB860-8EE4-11D2-9906-E49FADC173CA}
- In HKEY_CLASSES_ROOT\WinRAR.ZIP\shellex\PropertySheetHandlers
- {B41DB860-8EE4-11D2-9906-E49FADC173CA}
- In HKEY_CLASSES_ROOT\exefile\shellex\PropertySheetHandlers
- {B41DB860-8EE4-11D2-9906-E49FADC173CA}
- In HKEY_CLASSES_ROOT\WinRAR\shellex
- DropHandler
- In HKEY_CLASSES_ROOT\WinRAR.ZIP\shellex
- DropHandler
- In HKEY_CLASSES_ROOT\*\shellex\ContextMenuHandlers
- WinRAR
- In HKEY_CLASSES_ROOT\Folder\shellex\ContextMenuHandlers
- WinRAR
- In HKEY_CLASSES_ROOT\Folder\shellex\DragDropHandlers
- WinRAR
- In HKEY_CLASSES_ROOT\Drive\shellex\DragDropHandlers
- WinRAR
- In HKEY_CLASSES_ROOT
- .rar
- In HKEY_CLASSES_ROOT
- .r00
- In HKEY_CLASSES_ROOT
- .r01
- In HKEY_CLASSES_ROOT
- .r02
- In HKEY_CLASSES_ROOT
- .r03
- In HKEY_CLASSES_ROOT
- .r04
- In HKEY_CLASSES_ROOT
- .r05
- In HKEY_CLASSES_ROOT
- .r06
- In HKEY_CLASSES_ROOT
- .r07
- In HKEY_CLASSES_ROOT
- .r08
- In HKEY_CLASSES_ROOT
- .r09
- In HKEY_CLASSES_ROOT
- .r10
- In HKEY_CLASSES_ROOT
- .r11
- In HKEY_CLASSES_ROOT
- .r12
- In HKEY_CLASSES_ROOT
- .r13
- In HKEY_CLASSES_ROOT
- .r14
- In HKEY_CLASSES_ROOT
- .r15
- In HKEY_CLASSES_ROOT
- .r16
- In HKEY_CLASSES_ROOT
- .r17
- In HKEY_CLASSES_ROOT
- .r18
- In HKEY_CLASSES_ROOT
- .r19
- In HKEY_CLASSES_ROOT
- .r20
- In HKEY_CLASSES_ROOT
- .r21
- In HKEY_CLASSES_ROOT
- .r22
- In HKEY_CLASSES_ROOT
- .r23
- In HKEY_CLASSES_ROOT
- .r24
- In HKEY_CLASSES_ROOT
- .r25
- In HKEY_CLASSES_ROOT
- .r26
- In HKEY_CLASSES_ROOT
- .r27
- In HKEY_CLASSES_ROOT
- .r28
- In HKEY_CLASSES_ROOT
- .r29
- In HKEY_CLASSES_ROOT\.rar
- ShellNew
- In HKEY_CLASSES_ROOT\.zip
- ShellNew
- In HKEY_CLASSES_ROOT
- .arj
- In HKEY_CLASSES_ROOT
- .lzh
- In HKEY_CURRENT_USER\Software\WinRAR\Setup
- .lha
- In HKEY_CLASSES_ROOT
- .lha
- In HKEY_CLASSES_ROOT
- .ace
- In HKEY_CLASSES_ROOT
- .7z
- In HKEY_CURRENT_USER\Software\WinRAR\Setup
- .tgz
- In HKEY_CLASSES_ROOT
- .uue
- In HKEY_CURRENT_USER\Software\WinRAR\Setup
- .xxe
- In HKEY_CLASSES_ROOT
- .xxe
- In HKEY_CURRENT_USER\Software\WinRAR\Setup
- .uu
- In HKEY_CLASSES_ROOT
- .uu
- In HKEY_CLASSES_ROOT
- .bz2
- In HKEY_CURRENT_USER\Software\WinRAR\Setup
- .tbz2
- In HKEY_CLASSES_ROOT
- .tbz2
- In HKEY_CURRENT_USER\Software\WinRAR\Setup
- .bz
- In HKEY_CLASSES_ROOT
- .bz
- In HKEY_CURRENT_USER\Software\WinRAR\Setup
- .tbz
- In HKEY_CLASSES_ROOT
- .tbz
- In HKEY_CLASSES_ROOT
- .jar
- In HKEY_CLASSES_ROOT
- .iso
- In HKEY_CURRENT_USER\Software\WinRAR\Setup
- .taz
- In HKEY_CLASSES_ROOT
- .taz
- In HKEY_CLASSES_ROOT
- .xz
- In HKEY_CURRENT_USER\Software\WinRAR\Setup
- .txz
- In HKEY_CLASSES_ROOT
- .txz
- In HKEY_CLASSES_ROOT
- .001
- In HKEY_CLASSES_ROOT\WinRAR\shell\open
- command
- In HKEY_CLASSES_ROOT\WinRAR
- DefaultIcon
- In HKEY_CLASSES_ROOT\WinRAR.ZIP\shell\open
- command
- In HKEY_CLASSES_ROOT\WinRAR.ZIP
- DefaultIcon
- In HKEY_CLASSES_ROOT
- .rev
- In HKEY_CLASSES_ROOT
- WinRAR.REV
- In HKEY_CLASSES_ROOT\WinRAR.REV\shell\open
- command
- In HKEY_CLASSES_ROOT\WinRAR.REV
- DefaultIcon
- In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall
- WinRAR archiver
Step 3
Delete this registry value
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\WinRAR SFX
- C%%Program Files%WinRAR = "%Program Files%\WinRAR"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.rar
- Set = "1"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.zip
- Set = "1"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.cab
- Set = "1"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.arj
- Set = "1"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.lzh
- Set = "1"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.ace
- Set = "1"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.7z
- Set = "1"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.tar
- Set = "1"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.gz
- Set = "1"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.uue
- Set = "1"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.bz2
- Set = "1"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.jar
- Set = "1"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.iso
- Set = "1"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.z
- Set = "1"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.xz
- Set = "1"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.001
- Set = "1"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\Links
- Desktop = "0"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\Links
- StartMenu = "0"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\Links
- Programs = "1"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup
- ShellExt = "1"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup
- CascadedMenu = "0"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup
- MenuIcons = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\WinRAR
- exe32 = "%Program Files%\WinRAR\WinRAR.exe"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\WinRAR.exe
- Path = "%Program Files%\WinRAR"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{B41DB860-8EE4-11D2-9906-E49FADC173CA}\InProcServer32
- ThreadingModel = "Apartment"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions\Approved
- {B41DB860-8EE4-11D2-9906-E49FADC173CA} = "WinRAR shell extension"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.rar
- Exist = "0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.rar\ShellNew
- FileName = "%Program Files%\WinRAR\rarnew.dat"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.zip
- Exist = "1"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.zip
- Type = "CompressedFolder"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.zip
- Content = "application/x-zip-compressed"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.zip\ShellNew
- FileName = "%Program Files%\WinRAR\zipnew.dat"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.cab
- Exist = "1"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.cab
- Type = "CLSID\{0CD7A5C0-9F37-11CE-AE65-08002B2E1262}"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.arj
- Exist = "0"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.lzh
- Exist = "0"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.lha
- Exist = "0"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.ace
- Exist = "0"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.7z
- Exist = "0"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.tar
- Exist = "1"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.tar
- Content = "application/x-tar"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.gz
- Exist = "1"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.gz
- Content = "application/x-gzip"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.tgz
- Exist = "1"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.tgz
- Content = "application/x-compressed"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.uue
- Exist = "0"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.xxe
- Exist = "0"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.uu
- Exist = "0"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.bz2
- Exist = "0"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.tbz2
- Exist = "0"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.bz
- Exist = "0"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.tbz
- Exist = "0"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.jar
- Exist = "0"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.iso
- Exist = "0"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.z
- Exist = "1"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.z
- Content = "application/x-compress"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.taz
- Exist = "0"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.xz
- Exist = "0"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.txz
- Exist = "0"
- In HKEY_CURRENT_USER\Software\WinRAR\Setup\.001
- Exist = "0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\WinRAR archiver
- DisplayName = "WinRAR 5.30 beta 5 (32-bit)"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\WinRAR archiver
- DisplayVersion = "5.30.5"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\WinRAR archiver
- VersionMajor = "5"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\WinRAR archiver
- VersionMinor = "1e"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\WinRAR archiver
- UninstallString = "%Program Files%\WinRAR\uninstall.exe"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\WinRAR archiver
- DisplayIcon = "%Program Files%\WinRAR\WinRAR.exe"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\WinRAR archiver
- InstallLocation = "%Program Files%\WinRAR"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\WinRAR archiver
- NoModify = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\WinRAR archiver
- NoRepair = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\WinRAR archiver
- Language = "0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\WinRAR archiver
- Publisher = "win.rar GmbH"
Step 4
Search and delete these components
- %Temp%\winrar.exe
- %System%\resdllx.dll
- %System%\libeay32.dll
- %System%\ssleay32.dll
- %User Temp%\Microsoft\IKE\fprot32.exe
- %System%\dcomx32.exe
- %System%\winxsys.exe
- __tmp_rar_sfx_access_check_232765
- Descript.ion
- License.txt
- Rar.txt
- ReadMe.txt
- WhatsNew.txt
- Order.htm
- RarFiles.lst
- Uninstall.lst
- Rar.exe
- Uninstall.exe
- UnRAR.exe
- WinRAR.exe
- 7zxa.dll
- RarExt.dll
- RarExt64.dll
- UNACEV2.DLL
- WinRAR.chm
- Default.SFX
- WinCon.SFX
- Zip.SFX
- %Program Files%\WinRAR\rarnew.dat
- %Program Files%\WinRAR\zipnew.dat
- %Start Menu%\Programs\WinRAR\WinRAR.lnk
- %Start Menu%\Programs\WinRAR\WinRAR help.lnk
- %Start Menu%\Programs\WinRAR\Console RAR manual.lnk
- %Start Menu%\Programs\WinRAR\What is new in the latest version.lnk
- %User Temp%\resplgdll32\vId.bin
- %User Temp%\resplgdll32\fprot32.exe
Step 5
Search and delete these folders
- %User Temp%\Microsoft
- %User Temp%\Microsoft\IKE
- %Program Files%\WinRAR
- %Start Menu%\Programs\WinRAR
- %User Temp%\resplgdll32
Step 6
Scan your computer with your Trend Micro product to delete files detected as BKDR_TRUVASYS.A. 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%\WinRAR.lnk
- %Start Menu%\WinRAR.lnk
- %User Temp%\resplgdll32\olesys32.dll
- %User Temp%\resplgdll32\mvhost32.dll
- %User Temp%\resplgdll32\sdwin32.dll
- %User Temp%\resplgdll32\ofx64.dll
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