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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:
f6c257d7d7e1b24b0420a154f22a27a9

SHA-1:
78d4e04b79db9cd861cb36279ec2baeb4d04ecb7

SHA-256:
cfb1246894426f4dd3a9e0815385b7c88929639bd817f1a10bcd01c02b788a64

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
8/18/2026 8:23:18 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Mutahba (M)
16.10.12.6

File size:
407.8 KB (417,536 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:
Yuanyuan Zhang

Authority:
thawte, Inc.

Valid from:
9/19/2016 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:
0C501B8B113209C96C8119CF7A6B8B79

File PE Metadata
Compilation timestamp:
9/27/2016 9:50:25 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:L0Xt8PnjxNzdXpRESoiOUyUNNaVwpvFTwPk+hqPcTOOie64EILNylDf1s9Ap7aoJ:QWPnHR/OX4FTw8CqPtmNyIe4oyjo

Entry address:
0xA13B

Entry point:
E8, 29, 0A, 00, 00, E9, 50, 1B, 00, 00, 6A, 08, E8, E2, DF, FF, FF, 59, C3, 55, 8B, EC, 8B, 4D, 08, 33, C0, 3B, 0C, C5, D0, C0, 45, 00, 74, 0A, 40, 83, F8, 17, 72, F1, 33, C0, 5D, C3, 8B, 04, C5, D4, C0, 45, 00, 5D, C3, 55, 8B, EC, 83, EC, 10, 57, FF, 75, 0C, 8D, 4D, F0, E8, CC, D3, FF, FF, 8B, 55, 08, 8B, 7D, F0, 8A, 0A, 84, C9, 74, 15, 8B, 87, 84, 00, 00, 00, 8B, 00, 8A, 00, 3A, C8, 74, 07, 42, 8A, 0A, 84, C9, 75, F5, 8A, 02, 42, 84, C0, 74, 34, EB, 09, 3C, 65, 74, 0B, 3C, 45, 74, 07, 42, 8A, 02, 84, C0...
 
[+]

Code size:
357 KB (365,568 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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