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dam_ay.exe

Yuanyuan Zhang

The application dam_ay.exe by Yuanyuan Zhang 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:
Yuanyuan Zhang  (signed and verified)

MD5:
f616f9acff239518e4dad0469791a387

SHA-1:
564ab691c7a1f03dde1806d5158044c9137b3cae

SHA-256:
81302c1b988e6018a33121c62047282ceea94fc13b4825ef0d73c1265ed5461f

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
1/18/2026 1:54:25 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Mutahba (M)
17.1.26.0

File size:
415.2 KB (425,184 bytes)

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
Yuanyuan Zhang

Authority:
thawte, Inc.

Valid from:
1/16/2017 7:00:00 PM

Valid to:
4/20/2017 6:59:59 PM

Subject:
CN=Yuanyuan Zhang, 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:
0858C1B2FA3C531FF676CC1D01C3C0EA

File PE Metadata
Compilation timestamp:
1/18/2017 3:04:13 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x52F7

Entry point:
E8, D3, C1, FF, FF, E9, 05, 94, 00, 00, 55, 8B, EC, 56, FF, 75, 08, 8B, F1, E8, EC, 04, 00, 00, C7, 06, CC, E1, 45, 00, 8B, C6, 5E, 5D, C2, 04, 00, 55, 8B, EC, 8B, 45, 08, C7, 01, 6C, F0, 45, 00, 8B, 00, 89, 41, 04, 8B, C1, C6, 41, 08, 00, 5D, C2, 08, 00, 6A, 01, E8, 5A, BE, 00, 00, 59, C3, 55, 8B, EC, 51, FF, 75, 0C, 83, 65, FC, 00, E8, E0, 42, 00, 00, 59, 85, C0, 75, 05, B8, 48, E2, 45, 00, 8B, 4D, 08, 50, E8, 9A, 2C, 00, 00, 8B, 45, 08, 8B, E5, 5D, C2, 08, 00, 55, 8B, EC, FF, 35, FC, 6C, 46, 00, FF, 15...
 
[+]

Code size:
371.5 KB (380,416 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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