arrow_back
search
close

PUA.Win32.2345Soft.JCA

January 18, 2024
 Analysis by: Raymart Christian Yambot
 ALIASES:

Trojan.Win32.Heri, Trojan.Win32.Heri (IKARUS)

 PLATFORM:

Windows

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

  • Threat Type: Potentially Unwanted Application

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Downloaded from the Internet, Dropped by other malware

This Potentially Unwanted Application 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:

58,964,472 bytes

File Type:

, EXE

Memory Resident:

No

Initial Samples Received Date:

20 Apr 2020

Payload:

Drops files, Modifies system registry, Connects to URLs/IPs

Arrival Details

This Potentially Unwanted Application 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 Potentially Unwanted Application drops the following files:

  • %User Temp%\ns{Random charaters}.tmp
  • %User Temp%\nsy{Random charaters}.tmp\System.dll
  • %User Temp%\nsy{Random charaters}.tmp\FileInfo.dll
  • %Program Files%\2345Soft\2345Explorer\install.log
  • %User Temp%\nsy{Random charaters}.tmp\RCWidgetPlugin.dll
  • %User Temp%\2345explorer_installer_statistics.lock
  • %User Temp%\2345explorer_installer_statistics
  • %User Temp%\2345explorer_installer_statistics.time
  • %Program Files%\2345Soft\2345Explorer\2345Explorer.exe
  • %Program Files%\2345Soft\2345Explorer\chrome_initial.dll
  • %Program Files%\2345Soft\2345Explorer\breakpad.dll
  • %Program Files%\2345Soft\2345Explorer\capture.dll
  • %Program Files%\2345Soft\2345Explorer\chrome.dll
  • %Program Files%\2345Soft\2345Explorer\chrome_100_percent.pak
  • %Program Files%\2345Soft\2345Explorer\chrome_200_percent.pak
  • %Program Files%\2345Soft\2345Explorer\chrome_child.dll
  • %Program Files%\2345Soft\2345Explorer\chrome_elf.dll
  • %Program Files%\2345Soft\2345Explorer\chrome_watcher.dll
  • %Program Files%\2345Soft\2345Explorer\coral_extract.dll
  • %Program Files%\2345Soft\2345Explorer\d3dcompiler_47.dll
  • %Program Files%\2345Soft\2345Explorer\delegate_execute.exe
  • %Program Files%\2345Soft\2345Explorer\gesture_dll.dll
  • %Program Files%\2345Soft\2345Explorer\icudtl.dat
  • %Program Files%\2345Soft\2345Explorer\libegl.dll
  • %Program Files%\2345Soft\2345Explorer\libexif.dll
  • %Program Files%\2345Soft\2345Explorer\libglesv2.dll
  • %Program Files%\2345Soft\2345Explorer\metro_driver.dll
  • %Program Files%\2345Soft\2345Explorer\natives_blob.bin
  • %Program Files%\2345Soft\2345Explorer\resources.pak
  • %Program Files%\2345Soft\2345Explorer\snapshot_blob.bin
  • %Program Files%\2345Soft\2345Explorer\trident_core.dll
  • %Program Files%\2345Soft\2345Explorer\welcome.ini
  • %Program Files%\2345Soft\2345Explorer\widevinecdmadapter.dll
  • %Program Files%\2345Soft\2345Explorer\wow_helper.exe
  • %Program Files%\2345Soft\2345Explorer\xinput1_3.dll
  • %Program Files%\2345Soft\2345Explorer\8.8.3.16721.manifest
  • %Program Files%\2345Soft\2345Explorer\2345Recommender.exe
  • %Program Files%\2345Soft\2345Explorer\courgette_dll.dll
  • %Program Files%\2345Soft\2345Explorer\prefs.dat
  • %Program Files%\2345Soft\2345Explorer\Upgrade_2345Explorer.exe
  • %Program Files%\2345Soft\2345Explorer\Upgrade_2345Explorer.dll
  • %Program Files%\2345Soft\2345Explorer\Uninstall.exe
  • %Program Files%\2345Soft\2345Explorer\Resource\2345Site.ico
  • %Program Files%\2345Soft\2345Explorer\Resource\AssocIcon\pdf.ico
  • %Program Files%\2345Soft\2345Explorer\Assistant\OptimizeTool.dll
  • %Program Files%\2345Soft\2345Explorer\Assistant\Update_2345Explorer.exe
  • %Program Files%\2345Soft\2345Explorer\Assistant\2345InstDLL.dll
  • %Program Files%\2345Soft\2345Explorer\Doctor\Doctor_2345Explorer.exe
  • %Program Files%\2345Soft\2345Explorer\Doctor\Downloader_2345Explorer.exe
  • %Program Files%\2345Soft\2345Explorer\Locales\zh-CN.pak
  • %Program Files%\2345Soft\2345Explorer\Plugins\np-mswmp.dll
  • %Program Files%\2345Soft\2345Explorer\PepperFlash\pepflashplayer.dll
  • %Program Files%\2345Soft\2345Explorer\PepperFlash\manifest.json
  • %Program Files%\2345Soft\2345Explorer\NativeFlash\NPSWF32.dll
  • %Program Files%\2345Soft\2345Explorer\NativeFlash\plugin.vch
  • %Program Files%\2345Soft\2345Explorer\Extensions\defalut_extensions.json
  • %AppDataLocal%\2345Explorer\User Data\Default\TempOnlinedata\{Random Character}.data
  • %AppDataLocal%\2345Explorer\User Data\Default\TempOnlinedata\B1.data
  • %AppDataLocal%\2345Explorer\User Data\Default\TempOnlinedata\C.ini
  • %AppDataLocal%\2345Explorer\User Data\Default\Thumbnails\v1\{Random characters}.jpg
  • %AppDataLocal%\2345Explorer\User Data\Default\Thumbnails\v1\thumbnailslist
  • %Program Files%\2345Soft\2345Explorer\User Data\Default\Thumbnails\v1\{Random charaters}.jpg
  • %Program Files%\2345Soft\2345Explorer\User Data\Default\Thumbnails\v1\thumbnailslist
  • %AppDataLocal%\2345Explorer\User Data\Default\FaviconsV3
  • %Program Files%\2345Soft\2345Explorer\User Data\Default\FaviconsV3
  • %User Temp%\clear_cache.exe
  • %Program Files%\2345Soft\2345Explorer\Protect\2345ssp.exe
  • %Program Files%\2345Soft\2345Explorer\Protect\2345MiniPage.exe
  • %Program Files%\2345Soft\2345Explorer\Protect\Helper_2345Explorer.exe
  • %Program Files%\2345Soft\2345Explorer\Protect\Shield_2345Explorer.exe
  • %Program Files%\2345Soft\2345Explorer\Protect\2345ShieldShell.exe
  • %Program Files%\2345Soft\2345Explorer\Protect\2345ShieldEntry.dll
  • %Program Files%\2345Soft\2345Explorer\Protect\2345ShieldPlugin.dll
  • %Program Files%\2345Soft\2345Explorer\Protect\2345ShieldUI.dll
  • %Program Files%\2345Soft\2345Explorer\Protect\WebProtect.dll
  • %Program Files%\2345Soft\2345Explorer\Protect\NsProtectApi.dll
  • %Program Files%\2345Soft\2345Explorer\Protect\InstallPort.dll
  • %Program Files%\2345Soft\2345Explorer\Protect\InstallWebProtect.dll
  • %Program Files%\2345Soft\2345Explorer\Protect\InstallNsProtect.dll
  • %Program Files%\2345Soft\2345Explorer\Protect\SdAntiVBusCore.dll
  • %Program Files%\2345Soft\2345Explorer\Protect\SrvRecover.data
  • %Program Files%\2345Soft\2345Explorer\Protect\config.ini
  • %Program Files%\2345Soft\2345Explorer\Protect\ServiceManager.exe
  • %Program Files%\2345Soft\2345Explorer\Protect\Protect_2345Explorer.exe
  • %Program Files%\2345Soft\2345Explorer\Protect\UpdateMain.dll
  • %Program Files%\2345Soft\2345Explorer\Protect\coral_extract.dll
  • %Program Files%\2345Soft\2345Explorer\Protect\crash_service_dll.dll
  • %Windows%\Temp\{GUID}
  • %User Temp%\nsy2928.tmp\upgrade_data.dll
  • %User Temp%\chrome_upgrade\operation_log.txt
  • %AppDataLocal%\2345Explorer\User Data\Default\PreferencesV2
  • %Program Files%\2345Soft\2345Explorer\Install.data
  • %User Profile%\Links\2345\xe4\xb8\x8b\xe8\xbd\xbd.lnk
  • %Start Menu%\2345\xe5\x8a\xa0\xe9\x80\x9f\xe6\xb5\x8f\xe8\xa7\x88\xe5\x99\xa8.lnk
  • %Start Menu%\Programs\2345\xe7\x8e\x8b\xe7\x89\x8c\xe8\xbd\xaf\xe4\xbb\xb6\2345\xe5\x8a\xa0\xe9\x80\x9f\xe6\xb5\x8f\xe8\xa7\x88\xe5\x99\xa8\2345\xe5\x8a\xa0\xe9\x80\x9f\xe6\xb5\x8f\xe8\xa7\x88\xe5\x99\xa8.lnk
  • %Start Menu%\Programs\2345\xe7\x8e\x8b\xe7\x89\x8c\xe8\xbd\xaf\xe4\xbb\xb6\2345\xe5\x8a\xa0\xe9\x80\x9f\xe6\xb5\x8f\xe8\xa7\x88\xe5\x99\xa8\xe5\x8d\xb8\xe8\xbd\xbd2345\xe5\x8a\xa0\xe9\x80\x9f\xe6\xb5\x8f\xe8\xa7\x88\xe5\x99\xa8.lnk
  • %Desktop%\2345\xe5\x8a\xa0\xe9\x80\x9f\xe6\xb5\x8f\xe8\xa7\x88\xe5\x99\xa8.lnk
  • %Application Data%\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\2345\xe5\x8a\xa0\xe9\x80\x9f\xe6\xb5\x8f\xe8\xa7\x88\xe5\x99\xa8.lnk
  • %Application Data%\Microsoft\Internet Explorer\Quick Launch\User Pinned\StartMenu\2345\xe5\x8a\xa0\xe9\x80\x9f\xe6\xb5\x8f\xe8\xa7\x88\xe5\x99\xa8.lnk
  • %AppDataLocal%\2345Explorer\config.ini
  • %AppDataLocal%\2345Explorer\User Data\Default\Statistics\2345explorer_install_feature_stat
  • %AppDataLocal%\2345Explorer\User Data\Default\TempOnlinedata\temp1\{Random Character}.data
  • %Application Data%\Shield_2345Explorer\Data\ClickStat
  • %Application Data%\Shield_2345Explorer\Data\ClickStat.lock
  • %Program Files%\2345Soft\2345Explorer\Protect\2345Explorer_ServiceManager.hzv
  • %Windows%\Temp\explorer_crashes\operation_log.txt
  • %Program Files%\2345Soft\2345Explorer\Protect\UpgradeTemp\Protect_2345Explorer.dat.tmp
  • %Program Files%\2345Soft\2345Explorer\Protect\Service\6.0.0.16922\2345MiniPage.exe
  • %Program Files%\2345Soft\2345Explorer\Protect\Service\6.0.0.16922\2345ssp.exe
  • %Program Files%\2345Soft\2345Explorer\Protect\Service\6.0.0.16922\Helper_2345Explorer.exe
  • %Program Files%\2345Soft\2345Explorer\Protect\Service\6.0.0.16922\2345MgrDLL.dll
  • %Program Files%\2345Soft\2345Explorer\Protect\Service\6.0.0.16922\coral_extract.dll
  • %Program Files%\2345Soft\2345Explorer\Protect\Service\6.0.0.16922\crash_service_dll.dll
  • %Program Files%\2345Soft\2345Explorer\Protect\Service\6.0.0.16922\UpdateMain.dll
  • %User Temp%\RC~1D48.tmp
  • %Program Files%\2345Soft\2345Explorer\debug.log
  • %System%\drivers\2345Port.sys
  • %System%\drivers\2345CPort.sys
  • %System%\drivers\2345WebProtectFrame.sys
  • %System%\drivers\2345NsProtect.sys
  • %AppDataLocal%\2345Explorer\User Data\Default\TempOnlinedata\temp3\C.ini
  • %Program Files%\2345Soft\2345Explorer\Protect\UpgradeTemp\Protect_2345Explorer.dat
  • \Device\LanmanDatagramReceiver

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000(32-bit), Server 2003(32-bit), XP, Vista(64-bit), 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit) , or C:\Program Files (x86) in Windows XP(64-bit), Vista(64-bit), 7(64-bit), 8(64-bit), 8.1(64-bit), 2008(64-bit), 2012(64-bit) and 10(64-bit).. %AppDataLocal% is the Local Application Data folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %Windows% is the Windows folder, where it usually is C:\Windows on all Windows operating system versions.. %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name} on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %Start Menu% is the current user's Start Menu folder, which is usually C:\Windows\Start Menu or C:\Documents and Settings\{User name}\Start Menu on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %Desktop% is the current user's desktop, which is usually C:\Documents and Settings\{User Name}\Desktop on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\Desktop on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Roaming on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.)

It adds the following processes:

  • "%Program Files%\2345Soft\2345Explorer\2345Explorer.exe" --type=utility --lang=zh_cn --no-sandbox --unzip-data="%AppDataLocal%"
  • "%Program Files%\2345Soft\2345Explorer\Protect\2345ShieldShell.exe" S=1=DAE1=0 S=1=DAE2=0
  • "%Program Files%\2345Soft\2345Explorer\Protect\ServiceManager.exe" install "%Program Files%\2345Soft\2345Explorer\Protect\Protect_2345Explorer.exe"
  • "%Program Files%\2345Soft\2345Explorer\2345Explorer.exe" --type=utility --lang=zh_cn --no-sandbox --send-stat --action=install
  • "%Program Files%\2345Soft\2345Explorer\2345Explorer.exe" --make-default-browser

(Note: %AppDataLocal% is the Local Application Data folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

Other System Modifications

This Potentially Unwanted Application adds the following registry entries:

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
services\{Service name}
Tag = {Number}

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
services\{Service name}\Ref
2345browser = 1

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
services\2345NsProtect\Instances
DefaultInstance = 2345NsProtect Instance

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
services\2345NsProtect\Instances\
2345NsProtect Instance
Altitude = 265001

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
services\2345NsProtect\Instances\
2345NsProtect Instance
Altitude = 265001

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
services\2345NsProtect\Instances\
2345NsProtect Instance
Flags = 0

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
services\{Service name}
Type = {Number}

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
services\{Service name}
Start = {Number}

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
services\{Service name}
ErrorControl = 1

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
services\{Service name}
ImagePath = {file path}

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
services\{Service name}
DisplayName = {Service name}

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
services\2345CPort
Group = Boot Bus Extender

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
services\2345WebProtectFrame
Group = PNP_TDI

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
services\2345NsProtect
Group = FSFilter Content Screener

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
services\{Service name}
DependOnService = \x00

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
services\{Service name}
ObjectName = LocalSystem

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
services\{Service name}
Description = {Service name}

Other Details

This Potentially Unwanted Application adds the following registry keys:

HKEY_CURRENT_USER\Software\2345.com

HKEY_CURRENT_USER\Software\2345.com\
2345Explorer

HKEY_CURRENT_USER\Software\2345Explorer

HKEY_CURRENT_USER\Software\2345Explorer\
BLBeacon

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
services\2345Port\Ref

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
services\2345CPort\Ref

It connects to the following possibly malicious URL:

  • http://{BLOCKED}uan.2345.com/proc/ie/index.php
  • http://{BLOCKED}e.ie.2345.com/wangpai/check_info.php
  • http://{BLOCKED}5.com/ie_installinfo/index.php
  • http://{BLOCKED}uan.2345.com/favicon.ico
  • {BLOCKED}0bang.org

It does the following:

  • Creates a service with the following Display Names:
    • 234CPort
    • 2345NsProtect
    • 2345Port
    • 2345WebProtectFrame
    • 2345加速浏览器安全中心
  • It adds the following schedule tasks:
    • Locations:{Schedule Tasks Root Directory}
    • Name:Upgrade 2345Explorer Task
    • Trigger: Daily
    • Action: Start a program - %Program Files%\2345Soft\2345Explorer\Upgrade_2345Explorer.exe

(Note: %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000(32-bit), Server 2003(32-bit), XP, Vista(64-bit), 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit) , or C:\Program Files (x86) in Windows XP(64-bit), Vista(64-bit), 7(64-bit), 8(64-bit), 8.1(64-bit), 2008(64-bit), 2012(64-bit) and 10(64-bit).)

  SOLUTION

Minimum Scan Engine:

9.800

SSAPI PATTERN File:

2.281.00

SSAPI PATTERN Date:

30 Apr 2020

Step 1

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.

Step 2

Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.

Step 3

Restart in Safe Mode

[ Learn More ]

Step 4

Delete this registry key

[ 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\2345.com
  • In HKEY_CURRENT_USER\Software\2345.com\2345Explorer
  • In HKEY_CURRENT_USER\Software\2345Explorer
  • In HKEY_CURRENT_USER\Software\2345Explorer\BLBeacon
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\2345Port\Ref
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\2345CPort\Ref

Step 5

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_LOCAL_MACHINE\SYSTEM\ControlSet001\services\{Service name}
    • Tag = {Number}
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\{Service name}\Ref
    • 2345browser = 1
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\2345NsProtect\Instances
    • DefaultInstance = 2345NsProtect Instance
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\2345NsProtect\Instances\2345NsProtect Instance
    • Altitude = 265001
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\2345NsProtect\Instances\2345NsProtect Instance
    • Flags = 0
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\{Service name}
    • Type = {Number}
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\{Service name}
    • Start = {Number}
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\{Service name}
    • ErrorControl = 1
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\{Service name}
    • ImagePath = {file path}
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\{Service name}
    • DisplayName = {Service name}
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\2345CPort
    • Group = Boot Bus Extender
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\2345WebProtectFrame
    • Group = PNP_TDI
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\2345NsProtect
    • Group = FSFilter Content Screener
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\{Service name}
    • DependOnService = \x00
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\{Service name}
    • ObjectName = LocalSystem
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\{Service name}
    • Description = {Service name}

Step 6

Deleting Scheduled Tasks while in Safe Mode

  1. Still in safe mode, the following {Task Name}-{Task to be run} listed should be used in the steps identified below:  
    • {Task Name}: Upgrade 2345Explorer Task
    • {Task to be run}: Start a program → %Program Files%\2345Soft\2345Explorer\Upgrade_2345Explorer.exe
  2. For Windows 7 and Server 2008 (R2) users, click Start>Computer.
    • For Windows 8, 8.1, 10, and Server 2012 users, right-click on the lower left corner of the screen, then click File Explorer.
  3. In the Search Computer/This PC input box, type:
    • %System%\Tasks\{Task Name}
  4. Once located, select the file then press SHIFT+DELETE to delete it.
  5. Open Registry Editor. To do this:
    • For Windows 7 and Server 2008 (R2) users, click the Start button, type regedit in the Search input field, and press Enter.
    • For Windows 8, 8.1, 10, and Server 2012 (R2) users, right-click on the lower left corner of the screen, click Run, type regedit in the text box
  6. In the left panel of the Registry Editor window, double-click the following:
    • HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows NT>CurrentVersion>Schedule>TaskCache>Tree>{Task Name}
  7. Locate the created entry and take note of the registry value's data:
    • ID={Task Data}
  8. After taking note of the data, delete the registry key:
    • HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows NT>CurrentVersion>Schedule>TaskCache>Tree>{Task Name}
  9. In the left panel of the Registry Editor window, double-click the following:
    • HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows NT>CurrentVersion>Schedule>TaskCache>Tasks
  10. Still in the left panel, locate and delete the registry key with the same name as the located Task Data in step #6:
    • ={Task Data}
  11. Close Registry Editor.

Step 7

Search and delete these files

[ Learn More ]
There may be some files 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%\ns{Random charaters}.tmp
  • %User Temp%\nsy{Random charaters}.tmp\System.dll
  • %User Temp%\nsy{Random charaters}.tmp\FileInfo.dll
  • %Program Files%\2345Soft\2345Explorer\install.log
  • %User Temp%\nsy{Random charaters}.tmp\RCWidgetPlugin.dll
  • %User Temp%\2345explorer_installer_statistics.lock
  • %User Temp%\2345explorer_installer_statistics
  • %User Temp%\2345explorer_installer_statistics.time
  • %Program Files%\2345Soft\2345Explorer\2345Explorer.exe
  • %Program Files%\2345Soft\2345Explorer\chrome_initial.dll
  • %Program Files%\2345Soft\2345Explorer\breakpad.dll
  • %Program Files%\2345Soft\2345Explorer\capture.dll
  • %Program Files%\2345Soft\2345Explorer\chrome.dll
  • %Program Files%\2345Soft\2345Explorer\chrome_100_percent.pak
  • %Program Files%\2345Soft\2345Explorer\chrome_200_percent.pak
  • %Program Files%\2345Soft\2345Explorer\chrome_child.dll
  • %Program Files%\2345Soft\2345Explorer\chrome_elf.dll
  • %Program Files%\2345Soft\2345Explorer\chrome_watcher.dll
  • %Program Files%\2345Soft\2345Explorer\coral_extract.dll
  • %Program Files%\2345Soft\2345Explorer\d3dcompiler_47.dll
  • %Program Files%\2345Soft\2345Explorer\delegate_execute.exe
  • %Program Files%\2345Soft\2345Explorer\gesture_dll.dll
  • %Program Files%\2345Soft\2345Explorer\icudtl.dat
  • %Program Files%\2345Soft\2345Explorer\libegl.dll
  • %Program Files%\2345Soft\2345Explorer\libexif.dll
  • %Program Files%\2345Soft\2345Explorer\libglesv2.dll
  • %Program Files%\2345Soft\2345Explorer\metro_driver.dll
  • %Program Files%\2345Soft\2345Explorer\natives_blob.bin
  • %Program Files%\2345Soft\2345Explorer\resources.pak
  • %Program Files%\2345Soft\2345Explorer\snapshot_blob.bin
  • %Program Files%\2345Soft\2345Explorer\trident_core.dll
  • %Program Files%\2345Soft\2345Explorer\welcome.ini
  • %Program Files%\2345Soft\2345Explorer\widevinecdmadapter.dll
  • %Program Files%\2345Soft\2345Explorer\wow_helper.exe
  • %Program Files%\2345Soft\2345Explorer\xinput1_3.dll
  • %Program Files%\2345Soft\2345Explorer\8.8.3.16721.manifest
  • %Program Files%\2345Soft\2345Explorer\2345Recommender.exe
  • %Program Files%\2345Soft\2345Explorer\courgette_dll.dll
  • %Program Files%\2345Soft\2345Explorer\prefs.dat
  • %Program Files%\2345Soft\2345Explorer\Upgrade_2345Explorer.exe
  • %Program Files%\2345Soft\2345Explorer\Upgrade_2345Explorer.dll
  • %Program Files%\2345Soft\2345Explorer\Uninstall.exe
  • %Program Files%\2345Soft\2345Explorer\Resource\2345Site.ico
  • %Program Files%\2345Soft\2345Explorer\Resource\AssocIcon\pdf.ico
  • %Program Files%\2345Soft\2345Explorer\Assistant\OptimizeTool.dll
  • %Program Files%\2345Soft\2345Explorer\Assistant\Update_2345Explorer.exe
  • %Program Files%\2345Soft\2345Explorer\Assistant\2345InstDLL.dll
  • %Program Files%\2345Soft\2345Explorer\Doctor\Doctor_2345Explorer.exe
  • %Program Files%\2345Soft\2345Explorer\Doctor\Downloader_2345Explorer.exe
  • %Program Files%\2345Soft\2345Explorer\Locales\zh-CN.pak
  • %Program Files%\2345Soft\2345Explorer\Plugins\np-mswmp.dll
  • %Program Files%\2345Soft\2345Explorer\PepperFlash\pepflashplayer.dll
  • %Program Files%\2345Soft\2345Explorer\PepperFlash\manifest.json
  • %Program Files%\2345Soft\2345Explorer\NativeFlash\NPSWF32.dll
  • %Program Files%\2345Soft\2345Explorer\NativeFlash\plugin.vch
  • %Program Files%\2345Soft\2345Explorer\Extensions\defalut_extensions.json
  • %AppDataLocal%\2345Explorer\User Data\Default\TempOnlinedata\{Random Character}.data
  • %AppDataLocal%\2345Explorer\User Data\Default\TempOnlinedata\B1.data
  • %AppDataLocal%\2345Explorer\User Data\Default\TempOnlinedata\C.ini
  • %AppDataLocal%\2345Explorer\User Data\Default\Thumbnails\v1\{Random characters}.jpg
  • %AppDataLocal%\2345Explorer\User Data\Default\Thumbnails\v1\thumbnailslist
  • %Program Files%\2345Soft\2345Explorer\User Data\Default\Thumbnails\v1\{Random charaters}.jpg
  • %Program Files%\2345Soft\2345Explorer\User Data\Default\Thumbnails\v1\thumbnailslist
  • %AppDataLocal%\2345Explorer\User Data\Default\FaviconsV3
  • %Program Files%\2345Soft\2345Explorer\User Data\Default\FaviconsV3
  • %User Temp%\clear_cache.exe
  • %Program Files%\2345Soft\2345Explorer\Protect\2345ssp.exe
  • %Program Files%\2345Soft\2345Explorer\Protect\2345MiniPage.exe
  • %Program Files%\2345Soft\2345Explorer\Protect\Helper_2345Explorer.exe
  • %Program Files%\2345Soft\2345Explorer\Protect\Shield_2345Explorer.exe
  • %Program Files%\2345Soft\2345Explorer\Protect\2345ShieldShell.exe
  • %Program Files%\2345Soft\2345Explorer\Protect\2345ShieldEntry.dll
  • %Program Files%\2345Soft\2345Explorer\Protect\2345ShieldPlugin.dll
  • %Program Files%\2345Soft\2345Explorer\Protect\2345ShieldUI.dll
  • %Program Files%\2345Soft\2345Explorer\Protect\WebProtect.dll
  • %Program Files%\2345Soft\2345Explorer\Protect\NsProtectApi.dll
  • %Program Files%\2345Soft\2345Explorer\Protect\InstallPort.dll
  • %Program Files%\2345Soft\2345Explorer\Protect\InstallWebProtect.dll
  • %Program Files%\2345Soft\2345Explorer\Protect\InstallNsProtect.dll
  • %Program Files%\2345Soft\2345Explorer\Protect\SdAntiVBusCore.dll
  • %Program Files%\2345Soft\2345Explorer\Protect\SrvRecover.data
  • %Program Files%\2345Soft\2345Explorer\Protect\config.ini
  • %Program Files%\2345Soft\2345Explorer\Protect\ServiceManager.exe
  • %Program Files%\2345Soft\2345Explorer\Protect\Protect_2345Explorer.exe
  • %Program Files%\2345Soft\2345Explorer\Protect\UpdateMain.dll
  • %Program Files%\2345Soft\2345Explorer\Protect\coral_extract.dll
  • %Program Files%\2345Soft\2345Explorer\Protect\crash_service_dll.dll
  • %Windows%\Temp\{GUID}
  • %User Temp%\nsy2928.tmp\upgrade_data.dll
  • %User Temp%\chrome_upgrade\operation_log.txt
  • %AppDataLocal%\2345Explorer\User Data\Default\PreferencesV2
  • %Program Files%\2345Soft\2345Explorer\Install.data
  • %User Profile%\Links\2345\xe4\xb8\x8b\xe8\xbd\xbd.lnk
  • %Start Menu%\2345\xe5\x8a\xa0\xe9\x80\x9f\xe6\xb5\x8f\xe8\xa7\x88\xe5\x99\xa8.lnk
  • %Start Menu%\Programs\2345\xe7\x8e\x8b\xe7\x89\x8c\xe8\xbd\xaf\xe4\xbb\xb6\2345\xe5\x8a\xa0\xe9\x80\x9f\xe6\xb5\x8f\xe8\xa7\x88\xe5\x99\xa8\2345\xe5\x8a\xa0\xe9\x80\x9f\xe6\xb5\x8f\xe8\xa7\x88\xe5\x99\xa8.lnk
  • %Start Menu%\Programs\2345\xe7\x8e\x8b\xe7\x89\x8c\xe8\xbd\xaf\xe4\xbb\xb6\2345\xe5\x8a\xa0\xe9\x80\x9f\xe6\xb5\x8f\xe8\xa7\x88\xe5\x99\xa8\xe5\x8d\xb8\xe8\xbd\xbd2345\xe5\x8a\xa0\xe9\x80\x9f\xe6\xb5\x8f\xe8\xa7\x88\xe5\x99\xa8.lnk
  • %Desktop%\2345\xe5\x8a\xa0\xe9\x80\x9f\xe6\xb5\x8f\xe8\xa7\x88\xe5\x99\xa8.lnk
  • %Application Data%\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\2345\xe5\x8a\xa0\xe9\x80\x9f\xe6\xb5\x8f\xe8\xa7\x88\xe5\x99\xa8.lnk
  • %Application Data%\Microsoft\Internet Explorer\Quick Launch\User Pinned\StartMenu\2345\xe5\x8a\xa0\xe9\x80\x9f\xe6\xb5\x8f\xe8\xa7\x88\xe5\x99\xa8.lnk
  • %AppDataLocal%\2345Explorer\config.ini
  • %AppDataLocal%\2345Explorer\User Data\Default\Statistics\2345explorer_install_feature_stat
  • %AppDataLocal%\2345Explorer\User Data\Default\TempOnlinedata\temp1\{Random Character}.data
  • %Application Data%\Shield_2345Explorer\Data\ClickStat
  • %Application Data%\Shield_2345Explorer\Data\ClickStat.lock
  • %Program Files%\2345Soft\2345Explorer\Protect\2345Explorer_ServiceManager.hzv
  • %Windows%\Temp\explorer_crashes\operation_log.txt
  • %Program Files%\2345Soft\2345Explorer\Protect\UpgradeTemp\Protect_2345Explorer.dat.tmp
  • %Program Files%\2345Soft\2345Explorer\Protect\Service\6.0.0.16922\2345MiniPage.exe
  • %Program Files%\2345Soft\2345Explorer\Protect\Service\6.0.0.16922\2345ssp.exe
  • %Program Files%\2345Soft\2345Explorer\Protect\Service\6.0.0.16922\Helper_2345Explorer.exe
  • %Program Files%\2345Soft\2345Explorer\Protect\Service\6.0.0.16922\2345MgrDLL.dll
  • %Program Files%\2345Soft\2345Explorer\Protect\Service\6.0.0.16922\coral_extract.dll
  • %Program Files%\2345Soft\2345Explorer\Protect\Service\6.0.0.16922\crash_service_dll.dll
  • %Program Files%\2345Soft\2345Explorer\Protect\Service\6.0.0.16922\UpdateMain.dll
  • %User Temp%\RC~1D48.tmp
  • %Program Files%\2345Soft\2345Explorer\debug.log
  • %System%\drivers\2345Port.sys
  • %System%\drivers\2345CPort.sys
  • %System%\drivers\2345WebProtectFrame.sys
  • %System%\drivers\2345NsProtect.sys
  • %AppDataLocal%\2345Explorer\User Data\Default\TempOnlinedata\temp3\C.ini
  • %Program Files%\2345Soft\2345Explorer\Protect\UpgradeTemp\Protect_2345Explorer.dat
  • \Device\LanmanDatagramReceiver

Step 8

Restart in normal mode and scan your computer with your Trend Micro product for files detected as PUA.Win32.2345Soft.JCA. 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.


Did this description help? Tell us how we did.