PUA.Win32.OpenCandy.PCE
AdWare.Win32.OpenCandy.ffh (KASPERSKY)
Windows
Threat Type: Potentially Unwanted Application
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
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.
It does not have any propagation routine.
It does not have any backdoor routine.
TECHNICAL DETAILS
18,636,735 bytes
EXE
SFX
No
04 Jan 2023
Deletes files, Displays message/message boxes, Drops files
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:
- %System Root%\tools\PDFCreator.exe → detected as PUA.Win32.OPENCANDY.AE
- %System Root%\tools\run.vbe
- %System Root%\tools\RunAsX.exe
(Note: %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.)
It adds the following processes:
- %System%\WScript.exe "%System Root%\tools\run.vbe"
- %System Root%\tools\RunAsX.exe /nologo /user:{username} /password:{password} "PDFCreator.exe"
(Note: %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.)
It creates the following folders:
- %System Root%\tools\
(Note: %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.)
Other System Modifications
This Potentially Unwanted Application deletes the following files:
- %System Root%\tools\PDFCreator.exe
- %System Root%\tools\run.vbe
- %System Root%\tools\RunAsX.exe
(Note: %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.)
Propagation
This Potentially Unwanted Application does not have any propagation routine.
Backdoor Routine
This Potentially Unwanted Application does not have any backdoor routine.
Rootkit Capabilities
This Potentially Unwanted Application does not have rootkit capabilities.
Other Details
This Potentially Unwanted Application does the following:
- It displays the following upon execution:
It does not exploit any vulnerability.
SOLUTION
9.800
2.583.00
05 Jan 2023
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
Search and delete this file
- %System Root%\tools\PDFCreator.exe
- %System Root%\tools\run.vbe
- %System Root%\tools\RunAsX.exe
Step 4
Search and delete these folders
- %System Root%\tools
Step 5
Scan your computer with your Trend Micro product to delete files detected as PUA.Win32.OpenCandy.PCE. 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 the following Trend Micro Support pages for more information:
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