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dam_ay.exe

Ding Ruan

The application dam_ay.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 d3g1g0k0wwnjag.cloudfront.net.
Publisher:
Ding Ruan  (signed and verified)

MD5:
fc1060570d6178a12ca90c0be498117b

SHA-1:
233b02e946667f2cc6a18096c39e17a59a621715

SHA-256:
d9b79886f1807a1873db5c62511e62cf030868e7ca4ddaac4613768a0fe6e7fb

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
5/15/2025 6:35:15 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ELEX (M)
16.12.27.0

File size:
406 KB (415,704 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\dam_ay.exe

Digital Signature
Signed by:
Ding Ruan

Authority:
thawte, Inc.

Valid from:
12/19/2016 1:00:00 AM

Valid to:
4/14/2017 1:59:59 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:
4DC3B72F5A79CD7BCB1DEA9D3622851F

File PE Metadata
Compilation timestamp:
12/12/2016 1:39:54 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x2E71

Entry point:
E8, C2, 40, 00, 00, E9, A2, 84, 00, 00, 55, 8B, EC, 6A, 00, FF, 75, 1C, FF, 75, 18, FF, 75, 14, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, 2A, EA, FF, FF, 83, C4, 1C, 5D, C3, 55, 8B, EC, 83, EC, 10, 6A, 01, 8D, 45, FC, C7, 45, FC, D4, C1, 45, 00, 50, 8D, 4D, F0, E8, 3F, 6A, 00, 00, 68, 9C, 1D, 46, 00, 8D, 45, F0, C7, 45, F0, CC, C1, 45, 00, 50, E8, B6, 1E, 00, 00, CC, 55, 8B, EC, 56, 8B, 75, 08, 85, F6, 0F, 84, 6E, 03, 00, 00, FF, 76, 04, E8, 07, 06, 00, 00, FF, 76, 08, E8, FF, 05, 00, 00, FF, 76, 0C, E8, F7...
 
[+]

Code size:
360.5 KB (369,152 bytes)

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

http://d3g1g0k0wwnjag.cloudfront.net/.../dam_ay.exe

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