TrojanSpy.Win32.FAKECHRO.A
Windows
Threat Type: Trojan Spy
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
Downloaded from the Internet, Dropped by other malware
This Trojan Spy arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites. It may be dropped by other malware.
It does not have any propagation routine.
It does not have any backdoor routine.
It logs a user's keystrokes to steal information.
TECHNICAL DETAILS
95,967 bytes
EXE
No
13 Dec 2019
Arrival Details
This Trojan Spy arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It may be dropped by the following malware:
Installation
This Trojan Spy adds the following processes:
- reg.exe add HKLM\SOFTWARE\Policies\Google\Chrome /v IncognitoModeAvailability /d 1 /t REG_DWORD /f
- chromeold.exe --load-extension=%ProgramData%\f16e678e0faed084c70405f14d47bc38
(Note: %ProgramData% is a version of the Program Files folder where any user on a multi-user computer can make changes to programs. This contains application data for all users. This is usually C:\ProgramData on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit), or C:\Documents and Settings\All Users on Windows Server 2003(32-bit), 2000(32-bit), XP.)
Other System Modifications
This Trojan Spy deletes the following files:
- %AppDataLocal%\Google\Chrome\User Data\Default\Cookies
- %AppDataLocal%\Google\Chrome\User Data\Default\Preferences
(Note: %AppDataLocal% is the Local Application Data folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)
It modifies the following registry entries:
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\
Google\Chrome
IncognitoModeAvailability = 1
(Note: The default value data of the said registry entry is 0.)
Propagation
This Trojan Spy does not have any propagation routine.
Backdoor Routine
This Trojan Spy does not have any backdoor routine.
Rootkit Capabilities
This Trojan Spy does not have rootkit capabilities.
Information Theft
This Trojan Spy attempts to get stored information such as user names, passwords, and hostnames from the following browsers:
- Google Chrome
It logs a user's keystrokes to steal information.
Drop Points
Stolen information is uploaded to the following websites:
- http://{BLOCKED}jlcg.x10.bz/{BLOCKED}VjdG9y.php?dXJs={HostName}&cGF0aA={malware directory}&ZGF0YQ={Stolen Information}
Other Details
This Trojan Spy does not exploit any vulnerability.
SOLUTION
9.850
15.556.05
13 Dec 2019
15.557.00
14 Dec 2019
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
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TrojanSpy.Win32.FAKECHRO.A. 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.
Step 4
Restore this modified 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\Policies\Google\Chrome
- From: IncognitoModeAvailability = 1
To: IncognitoModeAvailability = 0
- From: IncognitoModeAvailability = 1
Step 5
Scan your computer with your Trend Micro product to delete files detected as TrojanSpy.Win32.FAKECHRO.A. 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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