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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 eh907fh9alcpc2v.eodclan.ru.
Publisher:
ВERSHNET LLC  (signed and verified)

Version:
1.0.0.0

MD5:
6d92c0bc42e4f2a45b596632b3a99ae0

SHA-1:
84f410c28824f32fddfa54dd9c6cb41191f7c067

SHA-256:
82b6509036455b3664e4a625f01bdaf000d3fd5eed420f95d08849014a730af3

Scanner detections:
1 / 68

Status:
Potentially unwanted

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

Analysis date:
2/26/2025 5:29:45 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.OutBrowse.ERSHNET (M)
16.2.2.10

File size:
4.1 MB (4,257,888 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 2:00:00 AM

Valid to:
2/6/2016 1:59:59 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 1:22:17 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
49152:ZN1otH71Gvg/dT/ByJWgbs9nAmb7DCJZlwk1B1ExTsAZOMVp4v5zDwwkeS6aZ0vY:871G4Fs0ExzJveTn14v5AwkeS6auPI

Entry address:
0xA82940

Entry point:
60, BE, 00, 60, B6, 00, 8D, BE, 00, B0, 89, FF, C7, 87, CC, 80, 78, 00, 47, A9, 08, 00, 57, 83, CD, FF, EB, 0E, 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...
 
[+]

Packer / compiler:
UPX v0.89.6 - v1.02 / v1.05 -v1.22 (Delphi) stub

Code size:
3.1 MB (3,264,512 bytes)

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

http://eh907fh9alcpc2v.eodclan.ru/YU5mdXdYanRqZ3VGcEtKUEx7InNpZCI6IjY0MTYiLCJzdWJfaWQiOiIyOTA2MDIzIiwicm5kMCI6ImllLzNUdS9JL2dSbU01UGJCNytFMnciLCJ2ZXIiOiIxIiwibmFtZSI6InJ1c2ZvbGRlcl9kb3dubG9hZGVyIiwidXJsIjoiaHR0cDovL3N0ZzY1NS5ydXNmb2xkZXIuY29tL2Rvd25sb2FkLz80MTIwNzc0MCZEbWZkQmtUQWFDWklDZVFGdWlMcVVDQmQ3RFNOaDU2MTVTcjJzRDBzQ3lBQnAxNDJZS3JmSlYlMkJKMndQODBYU0Z5TFo1bDFHSVhCQSUzRCZpbnN0YWxsbW9uc3Rlcj0xIiwidHlwZSI6Imlmb2xkZXIiLCJzaXplIjoiMzM4MzQ2NjMifQ,,

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