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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:
cc83d8658b5fde123dac511f45871b48

SHA-1:
e5c5c21f69ea1bf7593e6cb1c5377568f380a94f

SHA-256:
b8be65d6aad22515869b9ffa278cc57661541489c66667ae462bd816f4662630

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 7:34:13 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/K:mNO5KqvIy0z2X24mq9

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/UFhmWWZwdE9sV2dDbmNkV0xEeyJzaWQiOiI2NDE2Iiwic3ViX2lkIjoiMzI3NzA2NyIsInJuZDAiOiJpQmtwWEtuUjR4YzFWTzdsM2E1OEx3IiwidmVyIjoiMSIsIm5hbWUiOiJydXNmb2xkZXJfZG93bmxvYWRlciIsInVybCI6Imh0dHA6Ly9zdGcyNTkucnVzZm9sZGVyLmNvbS9kb3dubG9hZC8_MzU4MTIzODcmd3FQJTJCYTBSWkpwd2lleXZnaWxXY2xFJTJGNXJ2NkpzTTZ0aFVNRkhBcjVZd0VXd1IlMkZDZjdtNjR4NENwR3lFTFc4RVklMkY5dDcxVHRnenh6aEQ0MExPRlExbCUyRnRuVGVDeEwxZVFRNmF5ckF2QkdRTE13JTJCNG5Ja2VoUSUzRCUzRCZpbnN0YWxsbW9uc3Rlcj0xIiwidHlwZSI6Imlmb2xkZXIiLCJzaXplIjoiMTkyMzAxNTQifQ,,

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