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rusfolder_downloader.exe

ВERSHNET LLC

The application rusfolder_downloader.exe by ВERSHNET has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a setup program which is used to install the application. The setup routine uses the RevenYou.Com Pay Per Install platform (OutBrowse) which bundles additional software offers inclduing toolbars, extensions, PC utilities as well as other PUPs. The file has been seen being downloaded from adqkq31ldf8bzws.epik-tee.ru.
Publisher:
ВERSHNET LLC  (signed and verified)

Version:
1.0.0.0

MD5:
283070aad3983a8c2525be7d008bef7d

SHA-1:
ba5f479193c30404377d7cf3b7fef1bc94c99807

SHA-256:
f4e46320290af9afc6e025879f62fadad8f11f14b4b206ec086aef7676073b70

Scanner detections:
1 / 68

Status:
Potentially unwanted

Explanation:
Bundles additional adware offers during download and installation using the OutBrowse installer.

Analysis date:
11/1/2024 7:22:09 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.OutBrowse (M)
16.8.8.18

File size:
3.6 MB (3,760,224 bytes)

Product version:
1.0.0.0

File type:
Executable application (Win32 EXE)

Language:
English (United States)

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

Digital Signature
Signed by:
ВERSHNET LLC

Authority:
COMODO CA Limited

Valid from:
2/5/2015 1:00:00 AM

Valid to:
2/6/2016 12:59:59 AM

Subject:
CN=ВERSHNET LLC, O=ВERSHNET LLC, STREET="600-Richchya, house 66, office 10", L=Vinnitsa, S=Vinnitskiy Region, PostalCode=21027, C=UA

Issuer:
CN=COMODO RSA Code Signing CA, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
0DCBDEF5E756334284571793EA14D465

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
98304:mNO5IgspUv/Wry0Q6v+XPkPbDpfn4CBq4/p:mNO5KqvIy0z2X24mq+

Entry address:
0x7F6E60

Entry point:
60, BE, 00, 40, 95, 00, 8D, BE, 00, D0, AA, FF, 57, 83, CD, FF, EB, 10, 90, 90, 90, 90, 90, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, 0B, 75, 28, 8B, 1E, 83, EE, FC, 11, DB, 72, 1F, 48, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, EB, D4, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, EB, 52, 31, C9, 83, E8, 03, 72, 11, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 75, D1, F8, 89...
 
[+]

Entropy:
7.9666

Packer / compiler:
UPX 2.90LZMA

Code size:
2.6 MB (2,768,896 bytes)

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

http://adqkq31ldf8bzws.epik-tee.ru/b1RvYkFMY0VjckpuTG1KYWNwZ3sic2lkIjoiNjQxNiIsInN1Yl9pZCI6IjE2MzY2MzAiLCJybmQwIjoiOFZFcUxkZndScUhPeGtTdTF0T0I2QSIsInZlciI6IjEiLCJuYW1lIjoicnVzZm9sZGVyX2Rvd25sb2FkZXIiLCJ1cmwiOiJodHRwOi8vc3RnMTE1LnJ1c2ZvbGRlci5jb20vZG93bmxvYWQvPzExOTk1NDE3JlFONXhtQllqdXZDSTNIN2xwZTVDZnRzd3lpOXQ2JTJGYzZKTlNDRkQwakFBSmFFdzA2NEdtamplN29RTlRKOG1SdXM3UklPZ0dWWWZFJTNEJmluc3RhbGxtb25zdGVyPTEiLCJ0eXBlIjoiaWZvbGRlciIsInNpemUiOiIxNDQ3MDU2MyJ9

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