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java_update.exe

The executable java_update.exe has been detected as malware by 8 anti-virus scanners. The file has been seen being downloaded from cdn.download4windowsfiles.com.
MD5:
c1bcb3720af80edfdf3310ac1fef958a

SHA-1:
6157192024f9ffb0375f9f82dafed55b9ad2d5a7

SHA-256:
1bbebf496c6567696e0677fc748a8ef88d66be9def05f5823e7595c8ef312483

Scanner detections:
8 / 68

Status:
Malware

Analysis date:
11/1/2024 5:35:59 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Agent-AODJ [Trj]
160503-1

AVG
Worm/Delf.KHX
2015.0.4568

Dr.Web
Trojan.Inject1.28681
9.0.1.05190

Emsisoft Anti-Malware
Worm.Generic.377772
11.5.0.6191

F-Prot
W32/Renamer.A.gen
4.6.5.141

Kaspersky
Virus.Win32.Renamer
15.0.0.562

Microsoft Security Essentials
Threat.Undefined
1.223.1465.0

Norman
Worm.Generic.377772
19.05.2016 01:04:49

File size:
523.5 KB (536,064 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\downloads\java_update.exe

File PE Metadata
OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:YrMIztyCK5x8CBmn+RrNbEyWYa0Ie1vUx9Vz:iZyCA8CBmn+RrNj9ay5Iz

Entry address:
0x72814

Entry point:
55, 8B, EC, 83, C4, F0, 53, B8, 14, 0E, 47, 00, E8, 43, 4A, F9, FF, 8B, 1D, 30, 53, 47, 00, 8B, 03, E8, 06, 60, FE, FF, 8B, 03, C6, 40, 5B, 00, 8B, 03, B2, 01, E8, 3B, 7D, FE, FF, 8B, 0D, 5C, 52, 47, 00, 8B, 03, 8B, 15, E0, 0A, 47, 00, E8, FC, 5F, FE, FF, 8B, 0D, 68, 53, 47, 00, 8B, 03, 8B, 15, 90, 05, 47, 00, E8, E9, 5F, FE, FF, 8B, 03, E8, 62, 60, FE, FF, 5B, E8, C0, 28, F9, FF, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
6.6274

Developed / compiled with:
Microsoft Visual C++

Code size:
451 KB (461,824 bytes)

The file java_update.exe has been seen being distributed by the following URL.

http://cdn.download4windowsfiles.com/c?x=FznY aB9adV0RbM2HdDxUf76thS8M0 kip6c58OoJIA=&c=7QQRuSUeX3fWwuI4FC8sA1 BvZp1HausZD2CUGcvR0qQBj1ud9FtxPELh OKIOPe876Y7cfuAtuK8QfT6RNLAw==&fallback_url=http://cdn.download4windowsfiles.com&downloadAs=Java_Update.exe

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