TrojanDownloader:Win32/Dofoil!rfn malicious file

The TrojanDownloader:Win32/Dofoil!rfn is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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What TrojanDownloader:Win32/Dofoil!rfn virus can do?

• Executable code extraction
• Injection (inter-process)
• Injection (Process Hollowing)
• Compression (or decompression)
• Injection with CreateRemoteThread in a remote process
• Creates RWX memory
• Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
• HTTP traffic contains suspicious features which may be indicative of malware related traffic
• Performs some HTTP requests
• The executable is compressed using UPX
• Executed a process and injected code into it, probably while unpacking
• Code injection with CreateRemoteThread in a remote process
• Tries to unhook or modify Windows functions monitored by Cuckoo
• A system process is generating network traffic likely as a result of process injection
• Installs itself for autorun at Windows startup
• Creates a hidden or system file
• Creates a slightly modified copy of itself

Related domains:

How to determine TrojanDownloader:Win32/Dofoil!rfn?

File Info:
crc32: 7B313C78
md5: 3a880a9825a0364a06a8144e63f4be48
name: 3A880A9825A0364A06A8144E63F4BE48.mlw
sha1: af5ae30a2e6fae8559cf9304d7b447a34d59396c
sha256: 0bd9422f4e15cbfdd3c3365545ed88a0e0d95c7aaa51bae0e651dc22981c4395
sha512: 7d7e5212ab2f051e8f97d0f4741fc21767211b4dc72467a5f6fecbf50d4b3fc932dbfd8b8e7f02ec257ec1bb5169bde744d19958688ed46325ef17452710cd0d
ssdeep: 1536:ctwyCPx+riFFG1kF/m3wEYQqjh+rmKVsMiVPkSNRA:XycYqdFEgjwqWsMMsaR
type: PE32 executable (console) Intel 80386, for MS Windows, UPX compressed

Version Info:
LegalCopyright: Copyright xa9 2012
InternalName: java
FileVersion: 6.0.310.5
Full Version: 1.6.0_31-b05
CompanyName: Sun Microsystems, Inc.
ProductName: Java(TM) Platform SE 6 U31
ProductVersion: 6.0.310.5
FileDescription: Java(TM) Platform SE binary
OriginalFilename: java.exe
Translation: 0x0000 0x04b0

TrojanDownloader:Win32/Dofoil!rfn also known as:

How to remove TrojanDownloader:Win32/Dofoil!rfn?

• Download and install GridinSoft Anti-Malware.
• Open GridinSoft Anti-Malware and perform a “Standard scan“.
• “Move to quarantine” all items.
• Open “Tools” tab – Press “Reset Browser Settings“.
• Select proper browser and options – Click “Reset”.
• Restart your computer.