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809f0706r.exe

Ding Ruan

The application 809f0706r.exe by Ding Ruan 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 file has been seen being downloaded from dgkytklfjrqkb.cloudfront.net.
Publisher:
Ding Ruan  (signed and verified)

MD5:
5b3d2e9509771ed9e0a6f4fd504a4237

SHA-1:
f527b5512c022501db876ef1a1f1fc7da69fbd28

SHA-256:
80600513fe9993ba77a696372817196720b6acac1848eccf39874904e3a2516d

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
7/31/2025 1:47:03 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ELEX (M)
16.10.12.12

File size:
413.4 KB (423,336 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\809f0706r.exe

Digital Signature
Signed by:
Ding Ruan

Authority:
thawte, Inc.

Valid from:
9/28/2016 3:00:00 AM

Valid to:
4/14/2017 2:59:59 AM

Subject:
CN=Ding Ruan, OU=Individual Developer, O=No Organization Affiliation, L=Beijing, S=Beijing, C=CN

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

Serial number:
71E7658468D29367296A74F17571A3AF

File PE Metadata
Compilation timestamp:
10/9/2016 12:23:05 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
12288:HITDg2rBhrKxY3BQeM2T67S5Gm7pBpg165+hqfc:b2rB8Y3CeNx9Lg165nE

Entry address:
0x99C8

Entry point:
E8, 13, F2, FF, FF, E9, 0E, 28, 00, 00, 55, 8B, EC, 83, EC, 24, A1, 00, 40, 46, 00, 33, C5, 89, 45, FC, 8B, 45, 08, 53, 8B, 1D, 88, C0, 45, 00, 56, 57, 89, 45, E4, 33, F6, 8B, 45, 0C, 56, 89, 45, E0, FF, D3, 8B, F8, 89, 7D, E8, E8, 5B, FA, FF, FF, 89, 45, EC, 39, 35, F4, 61, 46, 00, 0F, 85, B0, 00, 00, 00, 68, 00, 08, 00, 00, 56, 68, 74, FE, 45, 00, FF, 15, 68, C0, 45, 00, 8B, F8, 85, FF, 75, 26, FF, 15, 74, C0, 45, 00, 83, F8, 57, 0F, 85, 6A, 01, 00, 00, 56, 56, 68, 74, FE, 45, 00, FF, 15, 68, C0, 45, 00...
 
[+]

Code size:
360.5 KB (369,152 bytes)

The file 809f0706r.exe has been seen being distributed by the following URL.

http://dgkytklfjrqkb.cloudfront.net/.../yomz.exe

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