ADW_XRIDER
Riskware/CrossRider (Fortinet); PUP.Optional.CrossRider.A (Malwarebytes); not-a-virus:WebToolbar.Win32.CrossRider.amqa (Kaspersky); a variant of Win32/Toolbar.CrossRider.CD potentially unwanted (ESET-NOD32); Crossrider.055 (AVG); ADWARE/CrossRider.Gen7 (Avira)
Windows
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Adware
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This adware may arrive bundled with malware packages as a malware component. It 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 adware may arrive bundled with malware packages as a malware component.
It 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 adware adds the following registry keys:
HKEY_LOCAL_MACHINE\SOFTWARE\{malware filename}
HKEY_CURRENT_USER\Software\_CrossriderRegNamePlaceHolder_
HKEY_LOCAL_MACHINE\SOFTWARE\_CrossriderRegNamePlaceHolder_
It adds the following registry entries:
HKEY_CURRENT_USER\Software\_CrossriderRegNamePlaceHolder_\
Log
{malware filename} = "0"
HKEY_CURRENT_USER\Software\_CrossriderRegNamePlaceHolder_\
Log
2 = "0"
HKEY_LOCAL_MACHINE\SOFTWARE\_CrossriderRegNamePlaceHolder_\
Log
{malware filename} = "0"
HKEY_LOCAL_MACHINE\SOFTWARE\_CrossriderRegNamePlaceHolder_\
Log
2 = "0"
HKEY_LOCAL_MACHINE\SOFTWARE\{malware filename}\
Log
{malware filename} = "0"
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
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
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_LOCAL_MACHINE\SOFTWARE
- {malware filename}
- {malware filename}
- In HKEY_CURRENT_USER\Software
- _CrossriderRegNamePlaceHolder_
- _CrossriderRegNamePlaceHolder_
- In HKEY_LOCAL_MACHINE\SOFTWARE
- _CrossriderRegNamePlaceHolder_
- _CrossriderRegNamePlaceHolder_
Step 4
Scan your computer with your Trend Micro product to delete files detected as ADW_XRIDER. 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.
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