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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:
9a2c11725b459607e6b4c049c8322fb7

SHA-1:
5e2764a9c8497a41fd688efcbc5e549066bd7a3e

SHA-256:
fc134273ee3c9e38e8757849d6d12a14775b7a412a2389d9a77607b40c7e0a59

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 7:30:25 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.OutBrowse.ERSHNET (M)
15.11.5.17

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

Product version:
1.0.0.0

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
ВERSHNET LLC

Authority:
COMODO CA Limited

Valid from:
2/5/2015 9:00:00 AM

Valid to:
2/6/2016 8:59:59 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 7:22:17 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
98304:mNO5IgspUv/Wry0Q6v+XPkPbDpfn4CBq4/L:mNO5KqvIy0z2X24mq0

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...
 
[+]

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/YUZyb0FFeHhTb1h2dU9QeyJzaWQiOiI2NDE2Iiwic3ViX2lkIjoiMzAxNjUyMiIsInJuZDAiOiJqQU1oSlhORXE0azJ6Zk0yNXF1MVFBIiwidmVyIjoiMSIsIm5hbWUiOiJydXNmb2xkZXJfZG93bmxvYWRlciIsInVybCI6Imh0dHA6Ly9zdGc5LnJ1c2ZvbGRlci5jb20vZG93bmxvYWQvPzM4MTMyNjI3Jk1PUG5ZWjElMkZIa0tqM21zR1RMNmElMkY5VXhDYmdJeWxySE9UZW5leGY2YzFuNTZVV211V3AlMkIxOGo5ZiUyRmtCQmxsTUJ6dXlTJTJGMEl4eFUlM0QmaW5zdGFsbG1vbnN0ZXI9MSIsInR5cGUiOiJpZm9sZGVyIiwic2l6ZSI6IjE2MjAyOTU4NyJ9

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