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express_edition_keygen_downloader.exe

YourFileDownloader Installer

Goldencalf LLC

This is the Via Advertising bundle installer which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application express_edition_keygen_downloader.exe by Goldencalf has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the YourFile Downloader installer. The file has been seen being downloaded from dll513.yofiledo.com.
Publisher:
http://yourfile-downloader.com  (signed by Goldencalf LLC)

Product:
YourFileDownloader Installer

Version:
1, 0, 642, 1

MD5:
92014742938acfb4491ed85c0e169961

SHA-1:
42628aeada7a23c1651985e0c54bfbc557a54c0d

SHA-256:
49e3a08b7c7b6ef39671cf260c439f65dd3674f6b17bb5ae5bcdcc26206e53c1

Scanner detections:
1 / 68

Status:
Potentially unwanted

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

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:
11/24/2024 11:32:31 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Via Advertising.Bundler (M)
16.7.14.19

File size:
4.2 MB (4,407,072 bytes)

Product version:
1.0.0.1

Copyright:
Copyright http://yourfile-downloader.com (C) 2014

Original file name:
YourFileDownloaderInstaller.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
YourFile Downloader

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

Digital Signature
Signed by:
Goldencalf LLC

Authority:
Goldencalf LLC

Valid from:
3/27/2015 5:26:58 PM

Valid to:
3/26/2016 5:26:58 PM

Subject:
CN=Goldencalf LLC, OU=Goldencalf LLC, O=Goldencalf LLC, S=London, C=UK

Issuer:
CN=Goldencalf LLC, C=UK, S=London, L=London, E=admin@goldencalf.com, OU=Goldencalf LLC, O=Goldencalf LLC

Serial number:
100001

File PE Metadata
Compilation timestamp:
4/9/2015 12:22:48 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
98304:Tft/lk/xVTrhD+p2ehANmFguiiIUT63+GET6YnyH7GWEuO+p8j3mJ:TplcVvh+XFguitUThnyH72uO+y2J

Entry address:
0x848262

Entry point:
60, 9C, C7, 44, 24, 20, C7, 53, BF, F9, 9C, 9C, E9, 6A, 6F, F8, FF, 29, 40, 77, CC, E7, 4A, 05, 57, 59, 24, 3F, C7, C1, AA, 04, B7, E4, 55, 52, F7, 30, 7D, 0C, B8, 03, 86, 0F, 95, FA, 61, 5E, DB, B0, D3, E4, 8F, 02, F2, F1, 10, 21, 42, 15, 9A, 7A, 96, 25, 4A, 11, 95, 0E, B5, 69, CC, 7F, 98, 53, BB, E9, ED, 41, A2, 82, 8E, 0F, ED, B0, 4C, 9B, 6E, 23, D1, 6C, DA, 95, BA, DF, E4, FE, 6F, 3E, F1, F2, 44, ED, EE, CE, F2, A1, 18, F9, E3, CE, F3, 4C, 0F, 97, 9A, A5, 41, 0A, 55, E8, E9, FE, C1, A1, 39, A1, D5, 5F...
 
[+]

Entropy:
7.9208  (probably packed)

Code size:
807 KB (826,368 bytes)

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

http://dll513.yofiledo.com/j5GAb1LijGhVn4h7Q yYDECXviJrp7wlMLCuciv802sm/tNjEenPKFO2hDsX6cFTHeTGVRSQmBlCipgdZYFlTg3KcQUjlm8SJat5BjqdLLJ82nbrO2NytmciaespV0n8LXgY4wp1SP8VekjrRHtezkhoUdQtQ1beGFBP1kdhDZUMSSTb3VMl0uVfEtHlBWHl lgmmPswZPKlamz4qWZT5rB7UPHXMTazxycF4s5oE9ucakWD0ANK3oNTSIqIWeKWjQ/.../pGvpnxR nH7A3wPo00s2u1vfxl8Of8e e8h2Os48FigeT2coKpnzmY d9H06 MFsaGzRaBgtZKg5X2BJ Z9wFk1PwMY9X0B2iL6XY7j wjIPfufHWlv3Yqrg==

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