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dam_ay.exe

Yuanyuan Mei

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

MD5:
8c4caa1ccc5f6e3f2b856de76aed76b9

SHA-1:
4c4344349fe4afc369e0f29715d2aacbdfde1f6b

SHA-256:
04b09b7cd6335d23b1e6cd1cd87313459b9bc545b5c4cc933b4501b20e2d10a5

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
1/17/2026 2:09:22 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Elex (M)
17.1.20.14

File size:
416.6 KB (426,648 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 Mei

Authority:
thawte, Inc.

Valid from:
1/11/2017 2:00:00 AM

Valid to:
4/21/2017 2:59:59 AM

Subject:
CN=Yuanyuan Mei, 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:
27228B1713C643E1C43F1D90A8686D41

File PE Metadata
Compilation timestamp:
12/28/2016 1:49:37 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x21E4

Entry point:
E8, 6D, 5D, 00, 00, E9, 1A, A5, 00, 00, 55, 8B, EC, 51, FF, 75, 0C, 83, 65, FC, 00, E8, D8, 32, 00, 00, 59, 85, C0, 75, 05, B8, A0, 36, 46, 00, 8B, 4D, 08, 50, E8, 12, 7B, 00, 00, 8B, 45, 08, 8B, E5, 5D, C2, 08, 00, 55, 8B, EC, B8, 14, E6, 04, 00, E8, 69, CA, 00, 00, A1, 00, 60, 46, 00, 33, C5, 89, 45, FC, 53, 56, 33, DB, 57, 8B, F3, BF, C0, 9C, 00, 00, 8B, 86, E0, FA, 40, 00, 8D, 8D, EC, 19, FB, FF, 89, 85, EC, 19, FB, FF, 8B, 86, E4, FA, 40, 00, 89, 85, F0, 19, FB, FF, E8, 00, 4E, 00, 00, 8B, 85, EC, 19...
 
[+]

Entropy:
7.8149  (probably packed)

Code size:
372.5 KB (381,440 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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