Trojan.Win64.RAVEN.AB
N/A
Windows
Threat Type: Trojan
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
Downloaded from the Internet
This Trojan 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
84,480 bytes
DLL
No
18 Dec 2018
Arrival Details
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Autostart Technique
This Trojan starts the following services:
- Service name:"PimIndexMaintenanceSvc_hhdx9"
Display Name:"codazisvc"
Path: "C:\Windows\system32\svchost.exe -k codazisvc"
Description:"Indexes contact data for fast contact searching. If you stop or disable this service, contacts might be missing from your search results."
Other System Modifications
This Trojan adds the following registry entries as part of its installation routine:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\svchost
codazisvc = "PimIndexMaintenanceSvc_hhdx9"
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\PimIndexMaintenanceSvc_hhdx9
PimIndexMaintenanceSvc_hhdx9 = "%System%\UsdwuerDataAccessRes.dll"
Other Details
This Trojan does the following:
- This Trojan sets the following malware as a service:Trojan.Win64.RAVEN.AC
SOLUTION
9.850
14.700.04
20 Dec 2018
14.701.00
21 Dec 2018
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
Disable this malware service
-
- Service name:"PimIndexMaintenanceSvc_hhdx9"
- Display Name:"codazisvc"
- Path: "C:\Windows\system32\svchost.exe -k codazisvc"
- Description:"Indexes contact data for fast contact searching. If you stop or disable this service, contacts might be missing from your search results."
Step 4
Delete this registry value
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\Microsoft\Windows NT\CurrentVersion\svchost
- codazisvc = "PimIndexMaintenanceSvc_hhdx9"
- codazisvc = "PimIndexMaintenanceSvc_hhdx9"
- In HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\PimIndexMaintenanceSvc_hhdx9
- PimIndexMaintenanceSvc_hhdx9 = "%System%\UsdwuerDataAccessRes.dll"
- PimIndexMaintenanceSvc_hhdx9 = "%System%\UsdwuerDataAccessRes.dll"
Step 5
Scan your computer with your Trend Micro product to delete files detected as Trojan.Win64.RAVEN.AB. 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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