CCleaner Floxif Audit

Find Windows Computers Vulnerable to the CCleaner Floxif Vulnerability

CCleaner 32-bit installations before version 5.33 were infected with a malware called „Flofix“. The audit below provides an overview of devices which might be vulnerable. Detect which of your asset might be vulnerable. Once identified, you can start taking action and patching the installations to make sure you’re fully secured against any future potential abuse of this vulnerability.

Prior to running the report, you must perform a file scan as detailed in this blog post.

CCleaner Floxif Query

Select Top 1000000 tblAssets.AssetID,
tblAssets.AssetName,
tblAssets.Domain,
tblAssets.Username,
tblAssets.Userdomain,
tsysAssetTypes.AssetTypeIcon10 As icon,
tblAssets.IPAddress,
tblAssets.Lastseen,
tblAssets.Lasttried,
Case
When CCleanerInfo.ValuenameFound = 'No key found' And
CCleanerInfo.[32-bit CCleaner Exe] = 'Not found' Then 'Not Infected'
When CCleanerInfo.ValuenameFound = 'No key found' And
CCleanerInfo.[CCleaner Version] Not Like '5.33%' Then 'Not Infected'
When CCleanerInfo.ValuenameFound = 'MUID value found' And
CCleanerInfo.[CCleaner Version] Not Like '5.33%' Then
'Infected registry key found'
When CCleanerInfo.ValuenameFound = 'No key found' And
CCleanerInfo.[CCleaner Version] Like '5.33%' Then
'Infected CCleaner found but no registry key'
When CCleanerInfo.ValuenameFound = 'MUID value found' And
CCleanerInfo.[CCleaner Version] Like '5.33%' Then
'Infected CCleaner and registry found' End As Status,
CCleanerInfo.Regkey,
CCleanerInfo.Valuename,
CCleanerInfo.ValuenameFound,
CCleanerInfo.[32-bit CCleaner Exe],
CCleanerInfo.[CCleaner Version],
CCleanerInfo.[CCleaner path]
From tblAssets
Inner Join tblAssetCustom On tblAssets.AssetID = tblAssetCustom.AssetID
Inner Join tsysAssetTypes On tsysAssetTypes.AssetType = tblAssets.Assettype
Inner Join tblComputersystem On tblAssets.AssetID = tblComputersystem.AssetID
Left Join (Select Top 1000000 tblAssets.AssetID,
Case
When CCleanerReg.Valuename Is Not Null And CCleanerReg.Valuename <>
'' Then 'MUID value found' Else 'No key found' End As ValuenameFound,
CCleanerReg.Regkey,
CCleanerReg.Valuename,
Case When CCleanerFile.Found = 1 Then 'Found' Else 'Not Found'
End As [32-bit CCleaner Exe],
Replace(Replace(CCleanerFile.FileVersion, ' ', ''), ',', '.') As
[CCleaner Version],
CCleanerFile.PatchSearched As [CCleaner path]
From tblAssets
Left Join (Select Top 1000000 tblRegistry.AssetID,
tblRegistry.Regkey,
tblRegistry.Valuename,
tblRegistry.Value,
tblRegistry.Lastchanged
From tblRegistry
Where tblRegistry.Regkey Like '%SOFTWARE\Piriform\Agomo' And
tblRegistry.Valuename = 'MUID') CCleanerReg On CCleanerReg.AssetID =
tblAssets.AssetID
Left Join (Select Top 1000000 tblFileVersions.AssetID,
tblFileVersions.FilePathfull As PatchSearched,
tblFileVersions.Found,
tblFileVersions.FileVersion,
tblFileVersions.CompanyName,
tblFileVersions.Filesize,
tblFileVersions.Lastchanged,
tblFileVersions.CreationDate,
tblFileVersions.LastAccessed,
tblFileVersions.LastModified
From tblFileVersions
Where tblFileVersions.FilePathfull Like '%CCleaner.exe') As CCleanerFile
On tblAssets.AssetID = CCleanerFile.AssetID) As CCleanerInfo
On tblAssets.AssetID = CCleanerInfo.AssetID
Where tblComputersystem.SystemType Not Like 'x64%'
Order By tblAssets.Domain,
tblAssets.AssetName

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