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v_yesfile_setup.exe

vgrid Co.,Ltd

The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from webfile.yesfile.com and multiple other hosts.
Publisher:
vgrid Co.,Ltd  (signed and verified)

MD5:
b1fbeabaf0f7eb132ecb3a550153c894

SHA-1:
56d9e812b10fcc3759c86ac3e2cce3a45b0efb73

SHA-256:
b7076dae1cc545ae3cb85dc6d852da33311e39f2424de8b0c83e55f3fa3d299c

Scanner detections:
3 / 68

Status:
Inconclusive  (not enough data for an accurate detection)

Analysis date:
1/9/2025 6:44:25 PM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Trojan.Siggen6.58808
9.0.1.0135

NANO AntiVirus
Trojan.Win32.Siggen6.ebvwad
1.0.30.8213

Qihoo 360 Security
HEUR/QVM42.0.0000.Malware.Gen
1.0.0.1120

File size:
2.7 MB (2,844,024 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\v_yesfile_setup.exe

Digital Signature
Signed by:
vgrid Co.,Ltd

Authority:
thawte, Inc.

Valid from:
1/6/2016 9:00:00 AM

Valid to:
1/6/2017 8:59:59 AM

Subject:
CN="vgrid Co.,Ltd", OU=IT Team, O="vgrid Co.,Ltd", L=Suwon-si, S=Gyeonggi-do, C=KR

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
3F699A7E469F19B31D4182FFDB78A5EF

File PE Metadata
Compilation timestamp:
12/6/2009 7:50:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:W3DWTJQGjXlwX8hlyT2nbXOI0mwe/ryfOju7WpXbUBiZXmfdyYB:WmhwshET2bXOKDfXYBiWPB

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9965

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file v_yesfile_setup.exe has been seen being distributed by the following 2 URLs.

http://webfile.yesfile.com/app/yesfile/setup/.../v_yesfile_setup.exe

http://webfile.yesfile.com/app/yesfile/.../v_yesfile_setup.exe

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