YahooSpyMon

YahooSpyMon

Updated:
May 02, 2018
Name:
Yahoo! Messenger Spy Monitor
Version:
6.4.3
Publisher:
eMatrixSoft
Risk Impact:
Medium
Systems Affected:
Windows

Behavior

YahooSpyMon is a spyware program that records Yahoo! Instant Messenger information on the computer and saves it to a log file.

Antivirus Protection Dates

  • Initial Rapid Release version October 02, 2014 revision 022
  • Latest Rapid Release version February 01, 2015 revision 020
  • Initial Daily Certified version July 23, 2007 revision 018
  • Latest Daily Certified version December 06, 2011 revision 002
  • Initial Weekly Certified release date July 25, 2007
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
When the program is executed, it creates the following folder:
%ProgramFiles%\YIMCS\logs

Next, the program drops the following files:
  • %UserProfile%\Local Settings\Temp\DRDld\yimspymonitor.exe
  • %CommonProgramFiles%\Download Manager\Yahoo! Messenger Spy Monitor\LMDOWNLOADINFO.xml
  • %ProgramFiles%\YIMCS\data\dpnsvry.exe
  • %ProgramFiles%\YIMCS\data\emxfile003.dat
  • %ProgramFiles%\YIMCS\data\ps_demo_report.html
  • %ProgramFiles%\YIMCS\data\testftpok.html
  • %ProgramFiles%\YIMCS\data\vssvcy.exe
  • %ProgramFiles%\YIMCS\data\yimusr.ini
  • %ProgramFiles%\YIMCS\help.chm
  • %ProgramFiles%\YIMCS\License.txt
  • %ProgramFiles%\YIMCS\readme.txt
  • %ProgramFiles%\YIMCS\unins000.dat
  • %ProgramFiles%\YIMCS\unins000.exe
  • %ProgramFiles%\YIMCS\winyim.exe
  • %System%\adsnwy.exe
  • %System%\mxpvct22.dat
  • %System%\mxpvct25.dat
  • %System%\yimappini.ini


The program then creates the following registry subkeys:
HKEY_ALL_USERS\Software\Digital River
HKEY_ALL_USERS\Software\Digital River\SoftwarePassport\Download Manager\6FFCFD13AF7A92143F5AD29D6134E432
HKEY_ALL_USERS\Software\Digital River\SoftwarePassport\eMatrixSoft\Yahoo! Messenger Spy Monitor
HKEY_CLASSES_ROOT\CLSID\{A4643A87-99A0-4404-9BC5-2322BDD61637}
HKEY_CLASSES_ROOT\CLSID\{A46E5261-9956-4767-88CA-DFCED050D09E}
HKEY_CLASSES_ROOT\CLSID\{A7EC2CD3-9941-4FD4-9D01-105DC16A4313}
HKEY_CLASSES_ROOT\Chilkat.Email2
HKEY_CLASSES_ROOT\Chilkat.EmailBundle2
HKEY_CLASSES_ROOT\Chilkat.MailMan2
HKEY_CLASSES_ROOT\ChilkatMail2.ChilkatEmail2
HKEY_CLASSES_ROOT\ChilkatMail2.ChilkatEmailBundle2
HKEY_CLASSES_ROOT\ChilkatMail2.ChilkatMailMan2
HKEY_CLASSES_ROOT\Interface\{06544919-F559-4AE5-9001-F903BD8A84E6}
HKEY_CLASSES_ROOT\Interface\{4340DF8E-D7A3-4675-BE74-80077B2B3E81}
HKEY_CLASSES_ROOT\Interface\{51A0888C-9970-44DE-8C2C-835BA870D06F}
HKEY_CLASSES_ROOT\Interface\{5ACAE4B8-62D9-4124-A58A-9B1258B77E99}
HKEY_CLASSES_ROOT\Interface\{7D37DED8-1945-4E42-A3FD-B9620E0AD8E3}
HKEY_CLASSES_ROOT\Interface\{C4C23B78-DB98-444C-B601-DCAC6EBBEC54}
HKEY_CLASSES_ROOT\Interface\{CCB7FB40-99EC-4678-9202-52798DA78ABA}
HKEY_CLASSES_ROOT\Interface\{D12FB216-99DA-4EB3-9CC0-C0F760B174A0}
HKEY_CLASSES_ROOT\Interface\{D56C1AF1-3FDE-471C-9BC2-C52515F260C1}
HKEY_CLASSES_ROOT\Interface\{E656B867-992C-4462-A27D-EBE604EC3A48}
HKEY_CLASSES_ROOT\TypeLib\{1DF3AFED-99E0-4474-9900-954B8FD24E86}

It also creates the following registry entry so that it executes whenever Windows starts:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\"adsnwy" = "%System%\adsnwy.exe"

The program then records Yahoo! Instant Messenger information on the computer and saves it to a log file.
You may have arrived at this page either because you have been alerted by your Symantec product about this risk, or you are concerned that your computer has been affected by this risk.

Before proceeding further we recommend that you run a full system scan. If that does not resolve the problem you can try one of the options available below.



FOR NORTON USERS
If you are a Norton product user, we recommend you try the following resources to remove this risk.


Removal Tool

If you have an infected Windows system file, you may need to replace it using the Windows installation CD .


How to reduce the risk of infection
The following resources provide further information and best practices to help reduce the risk of infection.



FOR BUSINESS USERS
If you are a Symantec business product user, we recommend you try the following resources to remove this risk.


Identifying and submitting suspect files
Submitting suspicious files to Symantec allows us to ensure that our protection capabilities keep up with the ever-changing threat landscape. Submitted files are analyzed by Symantec Security Response and, where necessary, updated definitions are immediately distributed through LiveUpdate™ to all Symantec end points. This ensures that other computers nearby are protected from attack. The following resources may help in identifying suspicious files for submission to Symantec.


Removal Tool

If you have an infected Windows system file, you may need to replace it using the Windows installation CD .


How to reduce the risk of infection
The following resource provides further information and best practices to help reduce the risk of infection.
Protecting your business network



MANUAL REMOVAL
The following instructions pertain to all current Symantec antivirus products.


1. Performing a full system scan
For information on how to run a full system scan using your Symantec product, follow the guidance given in the product's Help section.


2. Restoring settings in the registry
Many risks make modifications to the registry, which could impact the functionality or performance of the compromised computer. While many of these modifications can be restored through various Windows components, it may be necessary to edit the registry. See in the Technical Details of this writeup for information about which registry keys were created or modified. Delete registry subkeys and entries created by the risk and return all modified registry entries to their previous values.