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mar_jaava_downloader.exe

The executable mar_jaava_downloader.exe has been detected as malware by 1 anti-virus scanner. The program is a setup application that uses the YourFile Downloader installer, however the file is not signed with an authenticode signature from a trusted source. The file has been seen being downloaded from dn.yourfiledownloader.net.
MD5:
980c8e2c72f222f04e6d2ad48372a3f2

SHA-1:
31376097ed231d6e35dcb56852a626be918e4786

SHA-256:
22561c95f5c1bb54298b21893db3c9764982bd158ab118cbd657790e28b2b83b

Scanner detections:
1 / 68

Status:
Malware

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
12/29/2024 2:49:19 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Threat.Win.Reputation.IMP
16.7.20.9

File size:
5.2 MB (5,406,750 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
YourFile Downloader

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

File PE Metadata
Compilation timestamp:
7/25/2014 8:13:48 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
98304:ZxU0hkaG1Rr0/RqqT8k6mlnBdOt9EWJ4jfbYlmRa2kW6K+UiLNLwt:ZxU0h2ZYqa8pZ9pJ4jTYlQ0GiLyt

Entry address:
0x40527

Entry point:
E8, C8, F0, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, 40, 4B, 47, 00, E8, 13, 78, 00, 00, E8, 3A, 29, 00, 00, 0F, B7, F0, 6A, 02, E8, 5B, F0, 00, 00, 59, B8, 4D, 5A, 00, 00, 66, 39, 05, 00, 00, 40, 00, 74, 04, 33, DB, EB, 33, A1, 3C, 00, 40, 00, 81, B8, 00, 00, 40, 00, 50, 45, 00, 00, 75, EB, B9, 0B, 01, 00, 00, 66, 39, 88, 18, 00, 40, 00, 75, DD, 33, DB, 83, B8, 74, 00, 40, 00, 0E, 76, 09, 39, 98, E8, 00, 40, 00, 0F, 95, C3, 89, 5D, E4, E8, 61, B5, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Entropy:
7.9671  (probably packed)

Code size:
374 KB (382,976 bytes)

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

http://dn.yourfiledownloader.net/j5GoVnCbo1pnwqwZfsvscjqM43Ql8ulyIuKuOni/jDp68dxuG bQfVWhjzZO5chaF rMQUKBix9YgY8wU4w8QBibaB4mzT5Lf9J5BjqdLKU6jnThNGl61CJ9bepnMAfwMmVG/.../BJ6s7 F7qa80zwOqtNpWW25P1u4r34

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